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Lenovo V155–15API Laptop Hardware Maintenance Manual PDF

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Summary of Content for Lenovo V155–15API Laptop Hardware Maintenance Manual PDF

Lenovo V155-15API

Hardware Maintenance Manual

Note: Before using this information and the product it supports, be sure to read the general information under

Notices on page 73.

First Edition (April 2019) Copyright Lenovo 2019. All rights reserved. LIMITEDANDRESTRICTEDRIGHTSNOTICE:IfdataorsoftwareisdeliveredpursuantaGeneral ServicesAdministrationGSAcontract,use,reproduction,ordisclosureissubjecttorestrictionsset forthinContractNo.GS-35F-05925. 2019Lenovo

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Contents About this manual ....................................... iv

Safety information ........................................ 1 Generalsafety................................................ 2 Electricalsafety.............................................. 3

Safety information ........................................ 3 Safetyinspectionguide.................................. 5 Handlingdevicesthataresensitiveto electrostaticdischarge.................................... 6 Groundingrequirements................................. 6 Safetynotices:multilingualtranslations.......... 7 Lasercompliancestatement......................... 14

Important service information ................... 16 StrategyforreplacingFRU........................... 16

Strategyforreplacingaharddiskdrive............17 Importantnoticeforreplacingasystemboard17

ImportantinformationaboutreplacingRoHS compliantFRU.............................................. 18

General checkout ...................................... 19 Whattodofirst............................................. 20 Powersystemcheckout................................ 21

CheckingtheACadapter.................................21 Checkingoperationalcharging.........................22 Checkingthebatterypack................................22

Related service information ...................... 23 RestoringthefactorycontentsbyusingOneKey Recovery...................................................... 23

Restoreoffactorydefault.................................23 Passwords.................................................... 24

Power-onpassword..........................................24 Hard-diskpassword..........................................24 Administratorpassword....................................24

Powermanagement..................................... 25 Screenblankstate............................................25 Puttingthecomputertosleeporshuttingitdown. 25 Puttingyourcomputertosleep.........................25 Shuttingdownthecomputer.............................26

Lenovo V155-15API .................................... 27 Specifications............................................... 27 Statusindicators........................................... 29 Hotkeys......................................................... 30 FRUreplacementnotices............................. 31

Screwnotices..................................................31 RemovingandreplacinganFRU................. 32

1010Opticaldrive.............................................33 1020Basecover...............................................35 1030Harddiskdrive.........................................39

1040Batterypack.............................................41 1050SSDcard.................................................43 1060DIMM.......................................................45 1070PCIExpressMiniCardforwirelessLAN.46 1080FanassemblyandHeatSinkassembly..48 1090Systemboard............................................ 52 1100ODDtransferboardandbackupbattery..54 1110Speakers..................................................56 1120Touchpad.................................................57 1130Uppercase...............................................58 1140LCDunit...................................................60 1150Integratedcameraandantennaassembly64

Locations...................................................... 66 Frontviewandright-sideview..........................66 BottomandLeft-sideview...............................67

Partslist........................................................ 68 Overall..............................................................69 LCDFRUs........................................................71

Notices......................................................... 73 Trademarks.................................................. 74

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About this manual

Thismanual containsserviceand reference information for the following Lenovoproduct:

Lenovo V155-15API Usethismanualtotroubleshootproblems. Themanualisdividedintothefollowingsections: Thecommonsectionsprovidegeneral information,guidelines,andsafety informationrequiredforservicingcomputers.

Theproduct-specificsectionincludesservice,reference,andproduct-specific partsinformation.

Important: This manual is intended only for trained servicers who are familiar with Lenovo products. Use this manual to troubleshoot problems effectively. Before servicing a Lenovo product, make sure to read all the information under Safety information on page 1 and Important service information on page 16.

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Safety information

Safety information

Thischapterpresents the followingsafety information thatyouneed toget familiarwithbeforeyouserviceaLenovoV155-15APIcomputer: Generalsafetyonpage2 Electricalsafetyonpage3 Safetyinspectionguideonpage5 Handlingdevicesthataresensitivetoelectrostaticdischargeonpage6 Groundingrequirementsonpage6 Safetynotices:multilingualtranslationsonpage7 Lasercompliancestatementonpage14

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V155-15API Hardware Maintenance Manual

General safety Followtheserulesbelowtoensuregeneralsafety: Observeagoodhousekeeping in theareawhere themachinesareput duringandafterthemaintenance.

Whenliftinganyheavyobject: 1. Makesurethatyoucanstandsafelywithoutslipping. 2. Distributetheweightoftheobjectequallybetweenyourfeet. 3. Useaslowliftingforce.Nevermovesuddenlyortwistwhenyouattempt

toliftit. 4. Liftitbystandingorpushingupwithyourlegmuscles;thisactioncould

avoidthestrainfromthemusclesinyourback.Donotattempttoliftany objectthatweighsmorethan16kg(35lb)orthatyouthinkistooheavy foryou.

Donotperformanyaction thatcauseshazards to thecustomer,or that makesthemachineunsafe.

Beforeyoustart themachine,makesurethatotherservicerepresentatives andthecustomerarenotinahazardousposition.

Please removecoversandotherparts ina safeplace, away fromall personnel,whileyouareservicingthemachine.

Keepyourtoolcaseawayfromwalkareassothatotherpeoplewillnot trip overit.

Donotwear looseclothingthatcanbetrapped in themovingpartsof the machine.Makesurethatyoursleevesarefastenedorrolledupaboveyour elbows.Ifyourhairislong,fastenit.

Insert theendsofyournecktieorscarf insideclothingor fasten itwith the nonconductiveclip,about8centimeters(3inches)fromtheend.

Donotwearjewelry,chains,metal-frameeyeglasses,ormetalfastenersfor yourclothing. Attention:Metalobjectsaregoodelectricalconductors.

Wearsafetyglasseswhenyouarehammering,drilling,soldering,cutting wire,attachingsprings,usingsolvents,orworking inanyotherconditions thatmaybehazardoustoyoureyes.

Afterservice, reinstallallsafetyshields,guards, labels,andgroundwires. Replaceanysafetydevicethatiswornordefective.

Reinstallallcoverscorrectlybeforereturningthemachinetothecustomer. Fan louverson themachinehelp toprevent theoverheatingof internal components.Donotobstruct fan louversor cover themwith labelsor stickers.

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Safety information

Electrical safety Observethefollowingruleswhenworkingonelectricalequipments.

Important: Use only approved tools and test equipments. Some hand tools have handles covered with a soft material that does not insulate you when working with live electrical currents. Many customers have rubber floor mats near their machines that contain small conductive fibers to decrease electrostatic discharges. Do not use such kind of mat to protect yourself from electrical shock.

Findtheroomemergencypower-off(EPO)switch,disconnectingswitchor electricaloutlet. Ifanelectricalaccidentoccurs,youcanthenoperate the switchorunplugthepowercordquickly.

Donotworkaloneunderhazardousconditionsornear theequipment that hashazardousvoltages.

Disconnectallpowerbefore: Performingamechanicalinspection Workingnearpowersupplies Removingorinstallingmainunits

Beforeyoustart toworkon themachine,unplug thepowercord. Ifyou cannotunplug it,ask thecustomer topower-offthewallbox thatsupplies powertothemachine,andtolockthewallboxintheoffposition.

If youneed toworkonamachine thathasexposedelectrical circuits, observethefollowingprecautions: Ensurethatanotherperson,familiarwiththepower-offcontrols,isnear

you. Attention:Anotherpersonmustbe there toswitchoff thepower, if

necessary. Useonlyonehandwhenworkingwithpowered-onelectricalequipment;

keeptheotherhandinyourpocketorbehindyourback. Attention:Anelectricalshockcanoccuronlywhenthereisacomplete

circuit.Byobserving theaboverule,youmaypreventacurrent from passingthroughyourbody.

Whenusing testers,set thecontrolscorrectlyanduse theapproved probeleadsandaccessoriesforthattester.

Standonsuitablerubbermats(obtainedlocally,ifnecessary)toinsulate youfromgroundssuchasmetalfloorstripsandmachineframes.

Observethespecialsafetyprecautionswhenyouworkwithveryhighvoltages; instructions for theseprecautionsare in thesafetysectionsofmaintenance information.Beextremelycarefulwhenyoumeasurethehighvoltages. Regularlyinspectandmaintainyourelectricalhandtoolsforsafeoperational condition.

Donotusewornorbrokentoolsandtesters. Neverassumethatpowerhasbeendisconnectedfromacircuit.First,check ittomakesurethatithasbeenpoweredoff.

Safety information

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V155-15API Hardware Maintenance Manual

Always lookcarefully forpossiblehazards inyourworkarea.Examplesof thesehazardsaremoistfloors,nongroundedpowerextensioncables,power surges,andmissingsafetygrounds.

Donot touch liveelectricalcircuitswith thereflectivesurfaceofaplastic dentalmirror.Thesurfaceisconductive;suchtouchingcancausepersonal injuryandmachinedamage.

Donotservicethefollowingpartswiththepoweronwhentheyareremoved fromtheirnormaloperatingplacesinamachine: Powersupplyunits Pumps Blowersandfans Motorgenerators andsimilarunits.(Thispracticeensurescorrectgroundingoftheunits.)

Ifanelectricalaccidentoccurs: Caution:donotbecomeavictimyourself. Switchoffthepower. Sendthevictimtogetmedicalaid.

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Safety information

Safety inspection guide Thepurposeof this inspectionguide is toassistyou in identifyingpotential unsafeconditions.Aseachmachinewasdesignedandbuilt, requiredsafety itemswere installed toprotectusersandservicepersonnel from injury.This guideaddressesonly those items.Youshouldusegood judgment to identify potentialsafetyhazardsaccordingtotheattachmentofnon-Lenovofeaturesor optionsnotcoveredbythisinspectionguide.

Ifanyunsafeconditionsarepresent,youmustdeterminehowserious the apparenthazardcouldbeandwhetheryoucancontinuewithoutfirstcorrecting theproblem.

Considertheseconditionsandthesafetyhazardstheypresent: Electricalhazards,especiallyprimarypower(primaryvoltageontheframe cancauseseriousorfatalelectricalshock)

Explosivehazards,suchasadamagedCRTfaceorabulgingcapacitor Mechanicalhazards,suchaslooseormissinghardware

Todeterminewhether thereareanypotentialunsafeconditions,use the followingchecklistatthebeginningofeveryservicetask.Beginthecheckswith thepoweroff,andthepowercorddisconnected.

Checklist: 1. Checkexteriorcoversfordamage(loose,broken,orsharpedges). 2. Turnoffthecomputer.Disconnectthepowercord. 3. Checkthepowercordfor:

a. Athird-wiregroundconnectoringoodcondition.Useametertomeasure third-wiregroundcontinuity for0.1ohmor lessbetween theexternal groundpinandtheframeground.

b. Thepowercordshouldbethetypespecifiedinthepartslist. c. Insulationmustnotbefrayedorworn.

4. Checkforcrackedorbulgingbatteries. 5. Removethecover. 6. Checkforanyobviousnon-Lenovoalterations.Usegoodjudgmentastothe

safetyofanynon-Lenovoalterations. 7. Check inside theunit foranyobviousunsafeconditions,suchasmetal

filings,contamination,waterorother liquids,orsignsof fireorsmoke damage.

8. Checkforworn,frayed,orpinchedcables. 9. Check that thepower-supplycover fasteners (screwsor rivets)havenot

beenremovedortamperedwith.

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V155-15API Hardware Maintenance Manual

Handling devices that are sensitive to electrostatic discharge Anycomputerpartcontainingtransistorsor integratedcircuits(ICs)shouldbe consideredsensitivetoelectrostaticdischarge(ESD).ESDdamagecanoccur when there isadifference inchargebetweenobjects.ProtectagainstESD damagebyequalizingthechargesothatthemachine,thepart,theworkmat, andthepersonhandlingthepartareallatthesamecharge.

Notes: 1. Use product-specific ESD procedures when they exceed the requirements noted

here. 2. Make sure that the ESD protective devices you use have been certified (ISO

9000) as fully effective.

WhenhandlingESD-sensitiveparts: Keepthepartsinprotectivepackagesuntiltheyareinsertedintotheproduct. Avoidcontactwithotherpeople. Wearagroundedwriststrapagainstyourskin toeliminatestaticonyour body.

Preventthepartfromtouchingyourclothing.Mostclothingisinsulativeand retainsachargeevenwhenyouarewearingawriststrap.

Use theblacksideofagroundedworkmat toprovideastatic-freework surface.ThematisespeciallyusefulwhenhandlingESD-sensitivedevices.

Selectagroundingsystem,suchasthoselistedbelow,toprovideprotection thatmeetsthespecificservicerequirement.

Note: The use of a grounding system to guard against ESD damage is desirable but not necessary.

AttachtheESDgroundcliptoanyframeground,groundbraid,orgreen- wireground.

Whenworkingonadouble-insulatedorbattery-operatedsystem,usean ESDcommongroundorreferencepoint.Youcanusecoaxorconnector- outsideshellsonthesesystems.

Usetheroundgroundprongoftheacplugonac-operatedcomputers.

Grounding requirements Electricalgroundingofthecomputerisrequiredforoperatorsafetyandcorrect systemfunction.Propergroundingof theelectricaloutletcanbeverifiedbya certifiedelectrician.

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Safety information

Safety notices: multilingual translations Thesafetynotices in thissectionareprovided inEnglish,French,German, Hebrew,Italian,Japanese,andSpanish.

Safety notice 1 Before the computer is powered on after FRU replacement, make sure all screws, springs, and other small parts are in place and are not left loose inside the computer. Verify this by shaking the computer and listening for rattling sounds. Metallic parts or metal flakes can cause electrical shorts. Avant de remettre lordinateur sous tension aprs remplacement dune unit en clientle, vrifiez que tous les ressorts, vis et autres pices sont bien en place et bien fixes. Pour ce faire, secouez lunit et assurez-vous quaucun bruit suspect ne se produit. Des pices mtalliques ou des copeaux de mtal pourraient causer un court-circuit. Bevor nach einem FRU-Austausch der Computer wieder angeschlossen wird, mu sichergestellt werden, da keine Schrauben, Federn oder andere Kleinteile fehlen oder im Gehuse vergessen wurden. Der Computer mu geschttelt und auf Klappergerusche geprft werden. Metallteile oder-splitter knnen Kurzschlsse erzeugen.

Prima di accendere lelaboratore dopo che stata effettuata la sostituzione di una FRU, accertarsi che tutte le viti, le molle e tutte le altri parti di piccole dimensioni siano nella corretta posizione e non siano sparse allinterno dellelaboratore. Verificare ci scuotendo lelaboratore e prestando attenzione ad eventuali rumori; eventuali parti o pezzetti metallici possono provocare cortocircuiti pericolosi.

Antes de encender el sistema despues de sustituir una FRU, compruebe que todos los tornillos, muelles y dems piezas pequeas se encuentran en su sitio y no se encuentran sueltas dentro del sistema. Comprubelo agitando el sistema y escuchando los posibles ruidos que provocaran. Las piezas metlicas pueden causar cortocircuitos elctricos.

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V155-15API Hardware Maintenance Manual

Safety notice 2

DANGER Some standby batteries contain a small amount of nickel and cadmium. Do not disassemble a standby battery, recharge it, throw it into fire or water, or short- circuit it. Dispose of the battery as required by local ordinances or regulations. Use only the battery in the appropriate parts listing. Use of an incorrect battery can result in ignition or explosion of the battery. Certaines batteries de secours contiennent du nickel et du cadmium. Ne les dmontez pas, ne les rechargez pas, ne les exposez ni au feu ni leau. Ne les mettez pas en court-circuit. Pour les mettre au rebut, conformez-vous la rglementation en vigueur. Lorsque vous remplacez la pile de sauvegarde ou celle de lhorloge temps rel, veillez nutiliser que les modles cits dans la liste de pices dtaches adquate. Une batterie ou une pile inapproprie risque de prendre feu ou dexploser. Die Bereitschaftsbatterie, die sich unter dem Diskettenlaufwerk befindet, kann geringe Mengen Nickel und Cadmium enthalten. Sie darf nicht zerlegt, wiederaufgeladen, kurzgeschlossen, oder Feuer oder Wasser ausgesetzt werden. Bei der Entsorgung die rtlichen Bestimmungen fr Sondermll beachten. Beim Ersetzen der Bereitschafts-oder Systembatterie nur Batterien des Typs verwenden, der in der Ersatzteilliste aufgefhrt ist. Der Einsatz falscher Batterien kann zu Entzndung oder Explosion fhren.

Alcune batterie di riserva contengono una piccola quantit di nichel e cadmio. Non smontarle, ricaricarle, gettarle nel fuoco o nellacqua n cortocircuitarle. Smaltirle secondo la normativa in vigore (DPR 915/82, successive disposizioni e disposizioni locali). Quando si sostituisce la batteria dellRTC (real time clock) o la batteria di supporto, utilizzare soltanto i tipi inseriti nellappropriato Catalogo parti. Limpiego di una batteria non adatta potrebbe determinare lincendio o lesplosione della batteria stessa.

Algunas bateras de reserva contienen una pequea cantidad de nquel y cadmio. No las desmonte, ni recargue, ni las eche al fuego o al agua ni las cortocircuite. Deschelas tal como dispone la normativa local. Utilice slo bateras que se encuentren en la lista de piezas. La utilizacin de una batera no apropiada puede provocar la ignicin o explosin de la misma.

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Safety information

Safety notice 3

DANGER The battery pack contains small amounts of nickel. Do not disassemble it, throw it into fire or water, or short-circuit it. Dispose of the battery pack as required by local ordinances or regulations. Use only the battery in the appropriate parts listing when replacing the battery pack. Use of an incorrect battery can result in ignition or explosion of the battery. La batterie contient du nickel. Ne la dmontez pas, ne lexposez ni au feu ni leau. Ne la mettez pas en court-circuit. Pour la mettre au rebut, conformez-vous la rglementation en vigueur. Lorsque vous remplacez la batterie, veillez nutiliser que les modles cits dans la liste de pices dtaches adquate. En effet, une batterie inapproprie risque de prendre feu ou dexploser. Akkus enthalten geringe Mengen von Nickel. Sie drfen nicht zerlegt, wiederaufgeladen, kurzgeschlossen, oder Feuer oder Wasser ausgesetzt werden. Bei der Entsorgung die rtlichen Bestimmungen fr Sondermll beachten. Beim Ersetzen der Batterie nur Batterien des Typs verwenden, der in der Ersatzteilliste aufgefhrt ist. Der Einsatz falscher Batterien kann zu Entzndung oder Explosion fhren.

La batteria contiene piccole quantit di nichel. Non smontarla, gettarla nel fuoco o nellacqua n cortocircuitarla. Smaltirla secondo la normativa in vigore (DPR 915/82, successive disposizioni e disposizioni locali). Quando si sostituisce la batteria, utilizzare soltanto i tipi inseriti nellappropriato Catalogo parti. Limpiego di una batteria non adatta potrebbe determinare lincendio o lesplosione della batteria stessa.

Las bateras contienen pequeas cantidades de nquel. No las desmonte, ni recargue, ni las eche al fuego o al agua ni las cortocircuite. Deschelas tal como dispone la normativa local. Utilice slo bateras que se encuentren en la lista de piezas al sustituir la batera. La utilizacin de una batera no apropiada puede provocar la ignicin o explosin de la misma.

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V155-15API Hardware Maintenance Manual

Safety notice 4

DANGER The lithium battery can cause a fire, an explosion, or a severe burn. Do not recharge it, remove its polarized connector, disassemble it, heat it above 100C (212F), incinerate it, or expose its cell contents to water. Dispose of the battery as required by local ordinances or regulations. Use only the battery in the appropriate parts listing. Use of an incorrect battery can result in ignition or explosion of the battery. La pile de sauvegarde contient du lithium. Elle prsente des risques dincendie, dexplosion ou de brlures graves. Ne la rechargez pas, ne retirez pas son connecteur polaris et ne la dmontez pas. Ne lexposez pas une temperature suprieure 100C, ne la faites pas brler et nen exposez pas le contenu leau. Mettez la pile au rebut conformment la rglementation en vigueur. Une pile inapproprie risque de prendre feu ou dexploser. Die Systembatterie ist eine Lithiumbatterie. Sie kann sich entznden, explodieren oder schwere Verbrennungen hervorrufen. Batterien dieses Typs drfen nicht aufgeladen, zerlegt, ber 100 C erhitzt oder verbrannt werden. Auch darf ihr Inhalt nicht mit Wasser in Verbindung gebracht oder der zur richtigen Polung angebrachte Verbindungsstecker entfernt werden. Bei der Entsorgung die rtlichen Bestimmungen fr Sondermll beachten. Beim Ersetzen der Batterie nur Batterien des Typs verwenden, der in der Ersatzteilliste aufgefhrt ist. Der Einsatz falscher Batterien kann zu Entzndung oder Explosion fhren.

La batteria di supporto e una batteria al litio e puo incendiarsi, esplodere o procurare gravi ustioni. Evitare di ricaricarla, smontarne il connettore polarizzato, smontarla, riscaldarla ad una temperatura superiore ai 100 gradi centigradi, incendiarla o gettarla in acqua. Smaltirla secondo la normativa in vigore (DPR 915/82, successive disposizioni e disposizioni locali). Limpiego di una batteria non adatta potrebbe determinare lincendio o lesplosione della batteria stessa.

La batera de repuesto es una batera de litio y puede provocar incendios, explosiones o quemaduras graves. No la recargue, ni quite el conector polarizado, ni la desmonte, ni caliente por encima de los 100C (212F), ni la incinere ni exponga el contenido de sus celdas al agua. Deschela tal como dispone la normativa local.

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Safety information

Safety notice 5 If the LCD breaks and the fluid from inside the LCD gets into your eyes or on your hands, immediately wash the affected areas with water at least for 15 minutes. Seek medical care if any symptoms caused by the fluid are present after washing. Si le panneau daffichage cristaux liquides se brise et que vous recevez dans les yeux ou sur les mains une partie du fluide, rincez-les abondamment pendant au moins quinze minutes. Consultez un mdecin si des symptmes persistent aprs le lavage. Die Leuchtstoffrhre im LCD-Bildschirm enthlt Quecksilber. Bei der Entsorgung die rtlichen Bestimmungen fr Sondermll beachten. Der LCD-Bildschirm besteht aus Glas und kann zerbrechen, wenn er unsachgem behandelt wird oder der Computer auf den Boden fllt. Wenn der Bildschirm beschdigt ist und die darin befindliche Flssigkeit in Kontakt mit Haut und Augen gert, sollten die betroffenen Stellen mindestens 15 Minuten mit Wasser abgesplt und bei Beschwerden anschlieend ein Arzt aufgesucht werden.

Nel caso che caso lLCD si dovesse rompere ed il liquido in esso contenuto entrasse in contatto con gli occhi o le mani, lavare immediatamente le parti interessate con acqua corrente per almeno 15 minuti; poi consultare un medico se i sintomi dovessero permanere.

Si la LCD se rompe y el fluido de su interior entra en contacto con sus ojos o sus manos, lave inmediatamente las reas afectadas con agua durante 15 minutos como mnimo. Obtenga atencin medica si se presenta algn sntoma del fluido despues de lavarse.

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V155-15API Hardware Maintenance Manual

Safety notice 6

DANGER To avoid shock, do not remove the plastic cover that protects the lower part of the inverter card. Afin dviter tout risque de choc lectrique, ne retirez pas le cache en plastique protgeant la partie infrieure de la carte dalimentation. Aus Sicherheitsgrnden die Kunststoffabdeckung, die den unteren Teil der Spannungswandlerplatine umgibt, nicht entfernen.

Per evitare scosse elettriche, non rimuovere la copertura in plastica che avvolge la parte inferiore della scheda invertitore.

Para evitar descargas, no quite la cubierta de plstico que rodea la parte baja de la tarjeta invertida.

Safety notice 7

DANGER Though the main batteries have low voltage, a shorted or grounded battery can produce enough current to burn personnel or combustible materials. Bien que le voltage des batteries principales soit peu lev, le court-circuit ou la mise la masse dune batterie peut produire suffisamment de courant pour brler des matriaux combustibles ou causer des brlures corporelles graves. Obwohl Hauptbatterien eine niedrige Spannung haben, knnen sie doch bei Kurzschlu oder Erdung genug Strom abgeben, um brennbare Materialien zu entznden oder Verletzungen bei Personen hervorzurufen.

Sebbene le batterie di alimentazione siano a basso voltaggio, una batteria in corto circuito o a massa pu fornire corrente sufficiente da bruciare materiali combustibili o provocare ustioni ai tecnici di manutenzione.

Aunque las bateras principales tienen un voltaje bajo, una batera cortocircuitada o con contacto a tierra puede producir la corriente suficiente como para quemar material combustible o provocar quemaduras en el personal.

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Safety information

Safety notice 8

DANGER Before removing any FRU, turn off the computer, unplug all power cords from electrical outlets, remove the battery pack, and then disconnect any interconnecting cables. Avant de retirer une unit remplaable en clientle, mettez le systme hors tension, dbranchez tous les cordons dalimentation des socles de prise de courant, retirez la batterie et dconnectez tous les cordons dinterface. Die Stromzufuhr mu abgeschaltet, alle Stromkabel aus der Steckdose gezogen, der Akku entfernt und alle Verbindungskabel abgenommen sein, bevor eine FRU entfernt wird.

Prima di rimuovere qualsiasi FRU, spegnere il sistema, scollegare dalle prese elettriche tutti i cavi di alimentazione, rimuovere la batteria e poi scollegare i cavi di interconnessione.

Antes de quitar una FRU, apague el sistema, desenchufe todos los cables de las tomas de corriente elctrica, quite la batera y, a continuacin, desconecte cualquier cable de conexin entre dispositivos.

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V155-15API Hardware Maintenance Manual

Laser compliance statement SomemodelsofLenovocomputerareequipped from the factorywithan opticalstoragedevicesuchasaCD-ROMdriveoraDVD-ROMdrive.Such devicesarealsosoldseparatelyasoptions.Ifoneofthesedrivesisinstalled, it iscertified in theU.S. toconformtotherequirementsof theDepartmentof HealthandHumanServices21CodeofFederalRegulations(DHHS21CFR) SubchapterJ forClass1 laserproducts.Elsewhere, thedrive iscertified to conformtotherequirementsof theInternationalElectrotechnicalCommission (IEC)825andCENELECEN60825forClass1laserproducts.

IfaCD-ROMdrive,aDVD-ROMdrive,oranotherlaserdeviceisinstalled,note thefollowing:

CAUTION Use of controls or adjustments or performance of procedures other than those specified herein might result in hazardous radiation exposure. O uso de controles, ajustes ou desempenho de procedimentos diferentes daqueles aqui especificados pode resultar em perigosa exposio radiao.

Pour viter tout risque dexposition au rayon laser, respectez les consignes de rglage et dutilisation des commandes, ainsi que les procdures dcrites. Werden Steuer- und Einstellelemente anders als hier festgesetzt verwendet, kann gefhrliche Laserstrahlung auftreten.

Lutilizzo di controlli, regolazioni o lesecuzione di procedure diverse da quelle specificate possono provocare lesposizione a.

El uso de controles o ajustes o la ejecucin de procedimientos distintos de los aqu especificados puede provocar la exposicin a radiaciones peligrosas.

OpeningtheCD-ROMdrive,theDVD-ROMdrive,oranyotheropticalstorage devicecould result inexposure tohazardous laser radiation.Thereareno serviceablepartsinsidethosedrives.Do not open.

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Safety information

ACD-ROMdrive,aDVD-ROMdrive,oranyotherstoragedeviceinstalledmay containanembeddedClass3AorClass3Blaserdiode.Notethefollowing:

DANGER Emits visible and invisible laser radiation when open. Do not stare into the beam, do not view directly with optical instruments, and avoid direct exposure to the beam. Radiao por raio laser ao abrir. No olhe fixo no feixe de luz, no olhe diretamente por meio de instrumentos ticos e evite exposio direta com o feixe de luz.

Rayonnement laser si carter ouvert. vitez de fixer le faisceau, de le regarder directement avec des instruments optiques, ou de vous exposer au rayon. Laserstrahlung bei geffnetem Gert. Nicht direkt oder ber optische Instrumente in den Laserstrahl sehen und den Strahlungsbereich meiden. Kinyitskor lzersugr ! Ne nzzen bele se szabad szemmel, se optikai eszkzkkel. Kerlje a sugrnyalbbal val rintkezst! Aprendo lunit vengono emesse radiazioni laser. Non fissare il fascio, non guardarlo direttamente con strumenti ottici e evitare lesposizione diretta al fascio.

Radiacin lser al abrir. No mire fijamente ni examine con instrumental ptico el haz de luz. Evite la exposicin directa al haz.

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V155-15API Hardware Maintenance Manual

Important service information

Thischapterpresentsthefollowingimportantserviceinformation: StrategyforreplacingFRUonpage16

Strategyforreplacingaharddiskdriveonpage17 Importantnoticeforreplacingasystemboardonpage17

ImportantinformationaboutreplacingRoHScompliantFRUonpage18

Important: BIOS and device driver fixes are customer-installable. The BIOS and device drivers are posted on the customer support site: http://support.lenovo.com.

Strategy for replacing FRU

Before replacing parts: Makesure thatallsoftwarefixes,drivers,andBIOSdownloadsare installed beforereplacinganyFRUlistedinthismanual. Afterasystemboardisreplaced,ensurethatthelatestBIOSisloadedtothe systemboardbeforecompletingtheserviceaction. Todownloadsoftwarefixes,drivers,andBIOS,followthestepsbelow: 1. Gotohttp://support.lenovo.com. 2. Enter the serial number or select a product or use Lenovo smart

downloading. 3. SelecttheBIOS/Driver/Applicationsanddownload. 4. Followthedirectionsonthescreenandinstallthenecessarysoftware.

17

Important service information

Usethefollowingstrategytopreventunnecessaryexpenseforreplacingand servicingFRU: IfyouareinstructedtoreplaceanFRU,butthereplacementdoesnotsolve theproblem,reinstalltheoriginalFRUbeforeyoucontinue.

Somecomputershavebothaprocessorboardandasystemboard. Ifyou areinstructedtoreplaceeitherofthem,andreplacingoneofthemdoesnot solvetheproblem,reinstallthatboard,andthenreplacetheotherone.

IfanadapteroradeviceconsistsofmorethanoneFRU,anyof theFRU maybe thecauseof theerror.Before replacing theadapterordevice, removetheFRUonebyonetoseeifthesymptomschange.Replaceonly theFRUthatchangedthesymptoms.

Attention:Thesetupconfigurationon thecomputeryouareservicingmay havebeen customized.RunningAutomaticConfigurationmayalter the settings.Notethecurrentconfigurationsettings(usingtheViewConfiguration option); then,whenservicehasbeencompleted,verify that thosesettings remainineffect.

Strategy for replacing a hard disk drive Always try toruna low-level formatbeforereplacingaharddiskdrive.This willcauseallcustomerdataon theharddisk tobe lost.Makesure that the customerhasacurrentbackupofthedatabeforeperformingthisaction. Attention:Thedrivestartupsequenceinthecomputeryouareservicingmay havebeenchanged.Beextremelycarefulduringwriteoperationssuchas copying,saving,orformatting.Ifyouselectanincorrectdrive,dataorprograms canbeoverwritten.

Important notice for replacing a system board Somecomponentsmountedonasystemboardareverysensitive. Improper handlingcancausedamagetothosecomponents,andmaycauseasystem malfunction. Attention:Whenhandlingasystemboard: Donotdropthesystemboardorapplyanyexcessiveforcetoit. Avoidroughhandlingofanykind. Avoidbending thesystemboardandhardpushing topreventcrackingat eachBGA(BallGridArray)chipset.

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V155-15API Hardware Maintenance Manual

Important information about replacing RoHS compliant FRU

RoHS, The Restriction of Hazardous Substances in Electrical and Electronic Equipment Directive (2002/95/EC) is a European Union legal requirement affecting the global electronics industry. RoHS requirements must be implemented on Lenovo products placed on the market after June 2006. Products on the market before June 2006 are not required to have RoHS compliant parts. If the original FRU parts are non-compliant, replacement parts can also be non-compliant. In all cases if the original FRU parts are RoHS compliant, the replacement part must also be RoHS compliant.

Note:RoHSandnon-RoHSFRUpartnumberswiththesamefitandfunction areidentifiedwithuniqueFRUpartnumbers.

Lenovoplans to transit toRoHScompliancewellbefore the implementation dateandexpects itssuppliers tobereadytosupportLenovosrequirements andscheduleintheEU.Productssoldin2005and2006mightcontainRoHS compliantFRU.Thefollowingstatementpertains to theseproductsandany productLenovoproducescontainingRoHScompliantFRU.

RoHScompliantFRUshaveuniqueFRUpartnumbers.Beforeorafter the RoHS implementationdate, failedRoHScompliantpartsmustalwaysbe replacedwithRoHScompliantones,soonlytheFRUidentifiedascompliantin thesystemHMMordirectsubstitutionsfortheFRUmaybeused.

Products marketed before June 2006 Products marketed after June 2006 Current or original part

Replacement FRU Current or original part

Replacement FRU

Non-RoHS CanbeNon-RoHS

MustbeRoHS MustbeRoHS Non-RoHS CanbeRoHS

Non-RoHS CansubtoRoHS

RoHS MustbeRoHS

Note:Adirectsubstitution isapartwithadifferentFRUpartnumber that is automaticallyshippedbythedistributioncenteratthetimeoftheorder.

19

General checkout

General checkout

Thischapterpresentsthefollowinginformation: Whattodofirstonpage20 Powersystemcheckoutonpage21

Beforeyougotothecheckout,makesuretoreadthefollowingimportantnotes:

Important notes: Onlycertifiedtrainedpersonnelcanservicethecomputer. BeforereplacinganyFRU,readtheentirepageonremovingandreplacing FRU.

CarefullyremovescrewsforreusewhenreplacingFRU. Beextremelycarefulduringsuchwriteoperationsascopying,saving,or formatting. Drives in the computer that you are servicing sequence might have been altered. If you select an incorrect drive, data or programs might be overwritten.

ReplaceanFRUonlywithanotherFRUof thecorrectmodel. When you replace an FRU, make sure that the machine model and the FRU part number are correct by referring to the FRU parts list.

AnFRUshouldnotbereplacedjustbecauseofasingle,unreproduciblefailure. Single failures can occur for a variety of reasons that have nothing to do with a hardware defect, such as cosmic radiation, electrostatic discharge, or software errors. Consider replacing an FRU only when a problem recurs. If you suspect that an FRU is defective, clear the error logs and run the test again. If the error does not recur, do not replace the FRU.

BecarefulnottoreplaceanondefectiveFRU.

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V155-15API Hardware Maintenance Manual

What to do first WhenyoudoreturnanFRU,youmustincludethefollowinginformationinthe partsexchangeformorpartsreturnformthatyouattachtoit: 1. Nameandphonenumberofservicer 2. Dateofservice 3. Dateonwhichthemachinefailed 4. Dateofpurchase 5. ProcedureindexandpagenumberinwhichthefailingFRUwasdetected 6. FailingFRUnameandpartnumber 7. Machinetype,modelnumber,andserialnumber 8. Customersnameandaddress

Note for warranty:During thewarranty period, the customermay be responsible for repaircosts if thecomputerdamagewascausedbymisuse, accident,modification, unsuitablephysical or operatingenvironment, or impropermaintenancebythecustomer. The following isa listofsomecommon items thatarenotcoveredunder warranty and some symptoms thatmight indicate that the systemwas subjectedtostressbeyondnormaluse. Beforecheckingproblemswiththecomputer,determinewhetherthedamageis coveredunderthewarrantybyreferringtothefollowinglist:

The following are not covered under warranty: LCDpanelcracked fromtheapplicationofexcessive forceor frombeing dropped

Scratched(cosmetic)parts Distortion,deformation,ordiscolorationofthecosmeticparts Plasticparts,latches,pins,orconnectorsthathavebeencrackedorbroken byexcessiveforce

Damagecausedbyliquidspilledintothesystem DamagecausedbytheimproperinsertionofaPCCardortheinstallationof anincompatiblecard

Improperdiskinsertionoruseofanopticaldrive Diskettedrivedamagecausedbypressureon thediskettedrivecover, foreignmaterialinthedrive,ortheinsertionofadiskettewithmultiplelabels

Damagedorbentdisketteejectbutton Fusesblownbyattachmentofanonsupporteddevice Forgottencomputerpassword(makingthecomputerunusable) Stickykeyscausedbyspillingaliquidontothekeyboard UseofanincorrectACadapteronlaptopproducts

The following symptoms might indicate damage caused by nonwarranted activities: Missingpartsmightbeasymptomofunauthorizedserviceormodification. Ifthespindleofaharddiskdrivebecomesnoisy,itmayhavebeensubjected toexcessiveforce,ordropped.

21

General checkout

Power system checkout

Toverifyasymptom,followthestepsbelow: 1. Turnoffthecomputer. 2. Removethebatterypack. 3. ConnecttheACadapter. 4. Makesurethatpowerissuppliedwhenyouturnonthecomputer. 5. Turnoffthecomputer. 6. DisconnecttheACadapterandinstallthechargedbatterypack. 7. Makesure that thebatterypacksuppliespowerwhenyou turnon the

computer.

Ifyoususpectapowerproblem,seetheappropriateoneofthefollowingpower supplycheckouts: CheckingtheACadapteronpage21 Checkingoperationalchargingonpage21 Checkingthebatterypackonpage22

Checking the AC adapter YouareherebecausethecomputerfailsonlywhentheACadapterisused. Ifthepower-onindicatordoesnotturnon,checkthepowercordoftheAC adapterforcorrectcontinuityandinstallation.

If the computer does not charge during operation, go to Checking operationalcharging.

TochecktheACadapter,followthestepsbelow: 1. UnplugtheACadaptercablefromthecomputer. 2. Measuretheoutputvoltageat theplugof theACadaptercable.Seethe

followingfigure:

2 1

Voltage (V DC)

+20

0

Pin

1

2

Note:OutputvoltagefortheACadapterpinNo.2maydifferfromtheoneyou areservicing. 3. Ifthevoltageisnotcorrect,replacetheACadapter. 4. Ifthevoltageisacceptable,dothefollowing: Replacethesystemboard. Iftheproblempersists,gotoLenovoV155-15APIonpage27. Note:NoisefromtheACadapterdoesnotalwaysindicateadefect.

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V155-15API Hardware Maintenance Manual

Checking operational charging Tocheckwhether thebattery chargesproperly duringoperation, usea dischargedbatterypackorabatterypackthathas lessthan50%of thetotal powerremainingwheninstalledinthecomputer.

Performoperationalcharging. If thebatterystatus indicatoror icondoesnot lighton,removethebatterypackandletitreturntoroomtemperature.Reinstall thebatterypack. If thecharge indicatoror icon isstilloff,replacethebattery pack.

If thecharge indicatorstilldoesnot lighton,replacethesystemboard.Then reinstallthebatterypack.Ifitisstillnotcharged,gotothenextsection.

Checking the battery pack BatterychargingdoesnotstartuntilthePowerMetershowsthatlessthan95% ofthetotalpowerremains;underthisconditionthebatterypackcanchargeto 100%ofitscapacity.Thisprotectsthebatterypackfrombeingoverchargedor fromhavingashortenedlife.

Tocheckyourbattery,moveyourcursor to thePowerMeter icon in the icon trayoftheWindowstaskbarandwaitforamoment(butdonotclickit),andthe percentageofbatterypowerremainingisdisplayed.Togetdetailedinformation aboutthebattery,double-clickthePowerMetericon.

Note: If thebatterypackbecomeshot, itmaynotbeable tobecharged. Removeitfromthecomputerandleaveitatroomtemperatureforawhile.After itcoolsdown,reinstallandrechargeit.

23

Related service information

Related service information

Thischapterpresentsthefollowinginformation: RestoringthefactorycontentsbyusingOneKeyRecoveryonpage23 Passwordsonpage24 Powermanagementonpage25

Restoring the factory contents by using OneKey Recovery

Restore of factory default The Lenovo V155-15API computers comewith pre-installedOneKey RecoverySystem. Inorder tosaveapplication filesand the initialbacked up files of the system, the hard disk in a Lenovo computer includes a hiddenpartitionwhen it is shipped. If youneed to restore thesystem to thepointofyour firstbootup, justenterLenovoOneKeyRecoverySystem and runSystem Recovery. For details ofOneKeyRecoverySystem, seethe User Guide for Lenovo OneKey Recovery system.

Note: This will delete all the new data on the system partition (C drive), which is not recoverable. Make sure to back up your critical data before you perform this action.

Whenyouusetherecoverydiscstobootyourcomputer,thesystemwillenter theuser interfaceforsystemrecoveryautomatically.Pleasefollowtheprompt toinsertthebackupdiscstocompletethewholerecoveryprocess.

Note:The recovery process might take up to 2 hours.

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V155-15API Hardware Maintenance Manual

Passwords

Asmanyas threepasswordsmaybeneeded foranyLenovocomputer: thepower-onpassword (POP), theharddisk password (HDP), and the administratorpassword. Ifanyofthesepasswordshasbeenset,apromptforitappearsonthescreen whenever thecomputer is turnedon.Thecomputerdoesnotstartuntil the passwordisentered.

Power-on password Apower-onpassword(POP)protects thesystemfrombeingpoweredonby anunauthorizedperson.Thepasswordmustbeenteredbeforeanoperating systemcanbebooted.

Hard-disk password Therearetwohard-diskpasswords(HDPs): +UserHDP-fortheuser +MasterHDP- for thesystemadministrator,whocanuse it togetaccessto theharddiskdriveeveniftheuserhaschangedtheuserHDP Attention: If theuserHDPhasbeenforgotten,checkwhetheramasterHDP hasbeenset. If ithas, itcanbeused foraccess to theharddiskdrive. If nomasterHDP isavailable,neitherLenovonorLenovoauthorizedservice techniciansprovideanyservicestoreseteithertheuserorthemasterHDP,or torecoverdatafromtheharddiskdrive.Theharddiskdrivecanbereplaced forascheduledfee.

Administrator password Administratorpasswordcontrols theaccessof thewholesetuputility.Only aftertheAdministratorpasswordhasbeensetcantheUserpasswordbeset.If Administratorpasswordwascleared,theUserpasswordwasclearedtoo.

25

Related service information

Power management

Note:PowermanagementmodesarenotsupportedforAPMoperatingsystem.

Toreducepowerconsumption, thecomputerhas threepowermanagement modes:screenblank,sleep(standby),andhibernation.

Screen blank state If thetimesetontheTurnoffmonitor timer intheoperatingsystemexpires, theLCDbacklight turnsoff.Youcanalso turnoff theLCDbacklight by pressing .

Toendscreenblankstateandresumenormaloperation,pressanykeyonthe keyboard.

Putting the computer to sleep or shutting it down Whenyouhavefinishedworkingwithyourcomputer,youcanputittosleepor shutitdown.

Putting your computer to sleep Ifyouwillbeawayfromyourcomputerforonlyashorttime,putthecomputer tosleep. Whenthecomputer is insleepmode,youcanquicklywakeit toresumeuse, bypassingthestartupprocess. Toputthecomputertosleep,dooneofthefollowing: Closethedisplaylid. PressandholdthePowerkeyforabout1to5seconds. Movethecursor to the lower-leftcorner,and thenselect theStartbutton. SelectPower Sleep.

Note:Putyourcomputertosleepbeforeyoumoveit.Movingyourcomputer whiletheharddiskdriveisspinningcandamagetheharddisk,causing lossofdata.

Towakeupthecomputer,performthefollowing: Pressanykeyonthekeyboard.

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V155-15API Hardware Maintenance Manual

Right-clickorpresstheStartbuttoninthelower-leftcornerandselectShut down or sign outShut down.

Shutting down the computer Ifyouarenotgoingtouseyourcomputerforalongtime,shutitdown. Toshutdownyourcomputer,dooneofthefollowing:

Movethecursor to the lower-leftcorner,and thenselect theStartbutton. SelectPower Shut down.

27

Lenovo V155-15API

Lenovo V155-15API

Thischapterpresents the followingproduct-specificservice referencesand product-specificpartsinformation: Specificationsonpage27 Statusindicatorsonpage29 Hotkeysonpage30 FRUreplacementnoticesonpage31 RemovingandreplacinganFRUonpage32 Locationsonpage66 Partslistonpage68

Specifications ThefollowingtableliststhespecificationsoftheV155-15API: Table 1. Specifications

Form Factor Dimensions Approximately363mm254.6mm22.9mm Weight Approximately2.2kgwithbattery LCDsize 15.6-inch

Processor Seethesystempropertiesofyourcomputer,youcandothisasfollows: ClickControl Panel,thenclickHardware and Sound,clickDevice Manager underDevices and PrintersanddoubleclickProcessors.

Memory Typeandspeed Onboardx1+DIMMx1,2400MHz Maximum supportedcapacity 16GB

SSD Interface 2.5-inchSATA/PCIe

Hard disk drive Formfactor 2.5-inch,7mm Capacity SSD+HDD Interface SATA

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V155-15API Hardware Maintenance Manual

Optical Drive Formfactor 9.0mm Type Writer

Display Displayresolution (LCD) 1366768pixelsHD/19201080pixelsFHD

LCDbacklight LED I/O Ports USB USB3.1connectorGen12 Audio Comboaudiojack1 Video/Audio HDMIslot1 Ethernet RJ-451

Battery pack Type Polymer Cells/Capacity 3Cell,36Wh

Note: Thecapacitygivenhereisthetypicaloraveragecapacityasmeasuredina specifictestenvironment.Capacitiesmeasuredinotherenvironmentsmay differbutarenolowerthantheratedcapacity(seeproductlabel).

AC power adapter Input 100-240V,50-60Hz Outputvoltage 20VDC Power 65W

Miscellaneous Camera 0.3M/HD Security Kensingtonslot1

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Lenovo V155-15API

Status indicators Thesystemstatusindicatorsbelowshowthecomputerstatus:

1 2

Table 2. Status indicators

AC power adapter status

Indicator status Meaning

Disconnected Off Thecomputerisnotconnectedtoac power.

Connected Amber Thebatteryhasbetween1%and

90%chargeandstillcharging.

White Thebatteryhasbetween91%and 100%charge.

Indicator Indicator status Meaning

Power status indicator

On(solidwhite) Thecomputerison(batterypower 21%-100%).

Fastblinkingwhite Thecomputerison(batterypower 1%-20%).

Slowblinkingwhite Thecomputerisinsleepmode.

Off Thecomputerisofforinhibernation mode..

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V155-15API Hardware Maintenance Manual

Hotkeys Youcanaccesscertainsystemsettingsquicklybypressingtheappropriate hotkeys.

Table 3. Hotkeys

: Mute/unmutesound. : Turnon/offairplanemode.

: Decreasesystemvolume. : Enable/Disablethe integratedcamera.

: Increasesystemvolume. : Lock/UnlocktheLCD screen.

: Enable/Disablethe integratedmicrophone. :

Enabletheexternal projectorordanglethe externaldisplay.

: Refreshpage. : Decreasedisplay brightness.

: Enable/Disablethe touchpad. : Increasedisplay

brightness.

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Lenovo V155-15API

FRU replacement notices

Thissectionpresentsnoticesrelated toremovingandreplacingparts.Read thissectioncarefullybeforereplacinganyFRU.

Screw notices Loosescrewscancausea reliabilityproblem. In theLenovocomputer, this problemisaddressedwithspecialnylon-coatedscrewsthathavethefollowing characteristics: Theymaintaintightconnections. Theydonoteasilycomeloose,evenwithshockorvibration. Theyarehardertotighten. Eachoneshouldbeusedonlyonce.

Dothefollowingwhenyouservicethismachine: Keepthescrewkitinyourtoolbag. CarefullyremovescrewsforreusewhenreplacingFRU. Useatorquescrewdriverifyouhaveone.

Tightenscrewsasfollows: Plastic to plastic Turnanadditional90after thescrewhead touches thesurfaceof the

plasticpart: more than 90

(Cross-section)

Logic card to plastic Turnanadditional180after thescrewhead touches thesurfaceof the

logiccard: more than 180

(Cross-section)

Torque driver Ifyouhaveatorquescrewdriver,refertotheTorquecolumnforeachstep. Makesurethatyouusethecorrectscrews.Ifyouhaveatorquescrewdriver, tightenallscrewsfirmlytothetorqueshowninthetable.Carefully remove screws for reuse when replacing FRU. Make sure that all screws are tightened firmly.

Ensure torque screwdrivers are calibrated correctly following country specifications.

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V155-15API Hardware Maintenance Manual

Removing and replacing an FRU Thissectionpresentsexplodedfigureswiththeinstructionsto indicatehowto removeandreplacetheFRU.Makesuretoobservethefollowinggeneralrules: 1. Donotattempttoserviceanycomputerunlessyouhavebeentrainedand

certified.Anuntrainedpersonrunstheriskofdamagingparts. 2. BeforereplacinganyFRU,reviewFRUreplacementnoticesonpage31. 3. BeginbyremovinganyFRUsthathave toberemovedbefore the failing

FRU.AnyofsuchFRUarelistedatthetopofthepage.Removetheminthe orderinwhichtheyarelisted.

4. FollowthecorrectsequenceinthestepstoremovetheFRU,asgiveninthe figuresbythenumbersinsquarecallouts.

5. WhenturningascrewtoreplaceanFRU,turnitinthedirectionasgivenby thearrowinthefigure.

6. WhenremovingtheFRU,moveit inthedirectionasgivenbythearrowin thefigure.

7. Toput thenewFRUinplace,reversetheremovalproceduresandfollow any of the notes that pertain to replacement. For information about connectingandarranginginternalcables,seeLocationsonpage66.

8. WhenreplacinganFRU,usethecorrectscrewasshownintheprocedures.

DANGER Before removing any FRU, turn off the computer, unplug all power cords from electrical outlets, remove the battery pack, and then disconnect any of the interconnecting cables.

Attention:AfterreplacinganFRU,donotturnonthecomputeruntilyouhave madesurethatallscrews,springs,andothersmallpartsareinplaceandnone are looseinsidethecomputer.Verify thisbyshakingthecomputergentlyand listeningforrattlingsounds.Metallicpartsormetalflakescancauseelectrical shortcircuits.

Attention:The systemboard is sensitive to, and can be damagedby, electrostaticdischarge.Before touching it,establishpersonalgroundingby touchingagroundpointwithonehandorusinganelectrostaticdischarge(ESD) strap(P/N6405959)toremovepotentialshockreasons.

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Lenovo V155-15API

1010 Optical drive

Step1: Removethescrew1. Step2: Pulltheopticaldriveoutinthedirectionshownbyarrow2.

1

2

Figure 1. Remove the optical drive

Step Screw (quantity) Color Torque

1 M2.57mm,Phillipshead,nylok-coated(1) Black/ Silver

3.0+/-0.3kgf/cm

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V155-15API Hardware Maintenance Manual

Figure 1. Removal steps of optical drive (continued)

Step3: Removethescrew3.

Step4: Carefullyremovetheopticaldrivebracketandbezelinthe directionsshownbyarrows4and5.

3

4

5

Figure 2. Remove the optical drive bracket and bezel

Step Screw (quantity) Color Torque

3 M23mm,Phillipshead,nylok-coated(1) Black 1.85+/-0.15kgf/cm

35

Lenovo V155-15API

1020 Base cover

Foraccess,removethisFRU: 1010Opticaldriveonpage33

Step1: Removethescrews1.

1

1

1

1

1

1 1

1

11

1

1

Figure 3. Remove the screws

Step Screw (quantity) Color Torque

1 M2.57mm,Phillips-head,nylok-coated (12)

Black/ Silver

3.0+/-0.3kgf/cm

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V155-15API Hardware Maintenance Manual

Step2: Removethebasecoverinthedirectionsshownbyarrows2and3.

3

2 2

2 2

Figure 4.Removethebasecover

37

Lenovo V155-15API

Note: Applying labels to the base cover ThenewbasecoverFRUisshippedwithakitcontaining labelsofseveral kinds.Whenyoureplace thebasecover,youneed toapply the following labels:

Thefollowinglabelsneedtobepeeledofffromtheoldbasecoverandputon thenewbasecover.

a QRlabel b Intellabel/AMDlabel c VGAlabel d ESlabel e Palmrestlabel6520mm f Ratinglabel6624mm g RatinglabelforPrint4324mm h Countrylabel i Adapterlabel6520mm j WL/BTlabel3515mm k OSlabel1622.5mm

Forsomemodels,youalsoneedtoapplyoneortwoFCClabels.Checkthe oldbasecover;ifithasoneortwoFCClabels,findduplicatesoftheminthe labelkitandapplythemtothenewbasecover.

Forthelocationofeachlabel,refertothefollowingfigures:

a

b c d

e

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V155-15API Hardware Maintenance Manual

f g

h

i

j

k

39

Lenovo V155-15API

1030 Hard disk drive

Foraccess,removetheFRUinfollowingorder: 1010Opticaldriveonpage33 1020Basecoveronpage35

Attention: Donotdroptheharddiskdriveorapplyanyphysicalshocktoit. The hard

disk drive is sensitive to physical shock. Improper handling can cause damage and permanent loss of data.

Before removing the drive, suggest the customer to backup all the information on it if possible.

Never remove the drive while the system is operating or in suspend mode.

Step1: Removethescrews1. Step2: DetachtheHDDboardconnectorinthedirectionshownbyarrow2.

1

1

1

1

2

Figure 5. Remove the screws and detach the HDD board connector

Step Screw (quantity) Color Torque

1 M26mm,Phillips-head,nylok-coated(4) Black 1.85+/-0.15kgf/cm

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V155-15API Hardware Maintenance Manual

Step3: Removetheharddiskdrivefromtheslotinthedirectionshownby arrow3.

3

Figure 6.Removetheharddiskdrive Step4: Removethescrews4.

Step5: Detachthebracketfromtheharddiskdriveinthedirectionshown byarrow5.

4

4

4

4

5

Figure 7.RemovethescrewsanddetachtheHDDbracket

When installing:MakesurethattheHDDconnectorisattachedfirmly.

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Lenovo V155-15API

1040 Battery pack

DANGER Only use the battery specified in the parts list for your computer. Any other battery could ignite or explode.

Foraccess,removetheFRUinfollowingorder: 1010Opticaldriveonpage33 1020Basecoveronpage35

Step1: Detachthebatterypackconnectorinthedirectionshownbyarrow1. Step2: Removethescrews2.

2

2

2 2

2 1

Figure 8.Detachthebatterypackconnectorandremovethescrews

Step Screw (quantity) Color Torque

2 M26mm,Phillips-head,nylok-coated(5) Black 1.85+/-0.15kgf/cm

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V155-15API Hardware Maintenance Manual

Step3: Removethebatterypackinthedirectionshownbyarrow3.

3

Figure 9. Remove the battery pack

43

Lenovo V155-15API

1050 SSD card

Foraccess,removetheFRUinfollowingorder: 1010Opticaldriveonpage33 1020Basecoveronpage35 1040Batterypackonpage41

Attention: DonotdroptheSSDcardorapplyanyphysicalshocktoit. The SSD card is

sensitive to physical shock. Improper handling can cause damage and permanent loss of data.

Before removing the SSD card, suggest the customer to backup all the information on it if possible.

Never remove the SSD card while the system is operating or in suspend mode.

Step1: Removethescrew1.

1

Figure 10. Remove the screw

Step Screw (quantity) Color Torque

1 M26mm,Phillips-head,nylok-coated(1) Black 1.85+/-0.15kgf/cm

44

V155-15API Hardware Maintenance Manual

Step2: RemovetheSSDcardfromtheslotinthedirectionshownbyarrow2.

2

Figure 11. Remove the SSD card

45

Lenovo V155-15API

1060 DIMM

Foraccess,removetheFRUinfollowingorder: 1010Opticaldriveonpage33 1020Basecoveronpage35 1040Batterypackonpage41

Step1: Releasethetwolatchesonbothedgesofthesocketatthesame timeinthedirectionsshownbyarrows1. Step2: UnplugtheDIMMinthedirectionshownbyarrow2.

1

1

2

Figure 12. Release the latches and unplug the DIMM

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V155-15API Hardware Maintenance Manual

1070 PCI Express Mini Card for wireless LAN

Foraccess,removetheFRUinfollowingorder:: 1010Opticaldriveonpage33 1020Basecoveronpage35 1040Batterypackonpage41

Important: The preinstalled WLAN module may only be replaced with a Lenovo approved module in order to comply with FCC and IC regulations. Refer to Table 4 Parts listOverall on page 69 for Lenovo part numbers for the approved modules.

Step1: DisconnectthetwowirelessLANcables(black,gray)1. Step2: Removethescrew2.

1

2

Figure 13. Disconnect the two wireless LAN cables and remove the screw

Instep1,unplug the jacksbyusing theremoval toolantennaRFconnector (P/N:08K7159),orpickuptheconnectorswithyourfingersandgentlyunplug theminthedirectionshownbythearrows.

Notes:ThewirelessLANcardhas2cablesinstep1. ThewirelessLANcardinsomemodelsmighthave3cablesinstep1.

Step Screw (quantity) Color Torque 2 M23mm,Phillips-head,nylok-coated(1) Black 1.85+/-0.15kgf/cm

47

Lenovo V155-15API

Step3: Removethecardinthedirectionshownbyarrow3.

3

Figure 14. Remove the PCI Express mini card

When installing: InmodelswithawirelessLANcardthathastwoantennaconnectors,plug theblackcable(1st)(MAIN)intothejacklabeledMAIN,andthegreycable (2nd)(AUX)intothejacklabeledAUXonthecard.

InmodelswithawirelessLANcardthathasthreeantennaconnectors,plug theblackcable(1st)(MAIN)intothejacklabeled1,thegreycable(3rd)into thejacklabeled3,andthewhitecable(2nd)(AUX)intothejacklabeled2on thecard.

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V155-15API Hardware Maintenance Manual

1080 Fan assembly and Heat Sink assembly

Foraccess,removetheFRUinfollowingorder: 1010Opticaldriveonpage33 1020Basecoveronpage35 1040Batterypackonpage41 1070PCIExpressMiniCardforwirelessLANonpage46

Step1: Releasethecablesfromthecableguidesinthedirectionshownby arrows1.

1

1

Figure 15. Release the antenna cables

When installing:Route theantennacablesalong thecableguides.Asyou routethecables,makesurethattheyarenotsubjectedtoanytension.Tension couldcausethecables tobedamagedby thecableguides,orawire tobe broken.

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Lenovo V155-15API

Step2: Unplugthefanconnectorinthedirectionshownbyarrow2. Step3: Removethescrew3.

3

2

Figure 16. Unplug the fan connector and remove the screw

Step Screw (quantity) Color Torque

3 M26mm,Phillipshead,nylok-coated(1) Black 1.85+/-0.15kgf/cm

When installing:Makesurethattheconnectorisattachedfirmly.

Step4: Removethefaninthedirectionshownbyarrow4.Becarefulnotto damagetheconnector.

4

Figure 17. Remove the fan

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V155-15API Hardware Maintenance Manual

Step5: Removethescrews5.

5 5

5 5

Figure 18. Remove the screws

Step6: Lifttheheatsinkinthedirectionshownbyarrows6.

6

Figure 19. Remove the hest sink

51

Lenovo V155-15API

a

Figure 20. Heat sink

When installing:Beforeyouattachthefanassemblytothecomputer,apply thermalgrease,atanamountof0.2grams,tothe partshowninthefigure above.Either toomuchor too littlegreaseapplicationcancausea thermal problemduetoimperfectcontactwithacomponent.

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V155-15API Hardware Maintenance Manual

1090 System board

Important notices for handling the system board: When handling the system board, bear the following in mind. Be careful not to drop the system board on a bench top that has a hard surface,

such as metal, wood, or composite. Avoid rough handling of any kind. During the whole process, make sure not to drop or stack the system board. If you put a system board down, make sure to put it only on a padded surface such

as an ESD mat or conductive corrugated material.

Foraccess,removetheFRUinfollowingorder: 1010Opticaldriveonpage33 1020Basecoveronpage35 1030Harddiskdriveonpage39 1040Batterypackonpage41 1050SSDcardonpage43 1060DIMMonpage45 1070PCIExpressMiniCardforwirelessLANonpage46 1080FanassemblyandHeatSinkassemblyonpage48

Step 1: Disconnecttheconnectorsinthedirectionsshownbyarrows1.

1 1

1 1

1

1

1

Figure 21. Disconnect the connectors

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Lenovo V155-15API

Step2: Removethescrews2.

Step3: Removethesystemboardinthedirectionshownbyarrow3.

22

3

Figure 22.Removethesystemboard

Step Screw (quantity) Color Torque

2 M23mm,Phillips-head,nylok-coated(2) Black 1.85+/-0.15kgf/cm

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V155-15API Hardware Maintenance Manual

1100 ODD transfer board and backup battery

Foraccess,removetheFRUinfollowingorder: 1010Opticaldriveonpage33 1020Basecoveronpage35 1030Harddiskdriveonpage39 1040Batterypackonpage41 1050SSDcardonpage43 1060DIMMonpage45 1070PCIExpressMiniCardforwirelessLANonpage46 1080FanassemblyandHeatSinkassemblyonpage48 1090Systemboardonpage52

Step1: Removethescrew1. Step2: RemovetheODDtransferboardinthedirectionshownbyarrow2.

2 1

Figure 23. Remove the ODD transfer board

Step Screw (quantity) Color Torque

1 M23mm,Phillips-head,nylok-coated(1) Black 1.85+/-0.15kgf/cm

When installing:Makesurethattheconnectorsareattachedfirmly.

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Lenovo V155-15API

Step3: Unplugthebackupbatteryconnectorinthedirectionshownby arrow3.

3

Figure 24. Remove the backup battery

When installing:Makesurethattheconnectorisattachedfirmly.

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V155-15API Hardware Maintenance Manual

1110 Speakers

Foraccess,removetheFRUinfollowingorder: 1010Opticaldriveonpage33 1020Basecoveronpage35 1040Batterypackonpage41

Step1: Unplugthespeakerconnector. Step2: Removethespeakers1.

1

1

Figure 25. Remove the speakers

When installing:Makesurethattheconnectorisattachedfirmly.

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Lenovo V155-15API

1120 Touchpad

Foraccess,removetheFRUinfollowingorder: 1010Opticaldriveonpage33 1020Basecoveronpage35 1030Harddiskdriveonpage39 1040Batterypackonpage41 1050SSDcardonpage43 1060DIMMonpage45 1070PCIExpressMiniCardforwirelessLANonpage46 1080FanassemblyandHeatSinkassemblyonpage48 1090Systemboardonpage52 1100ODDtransferboardandbackupbatteryonpage54

Step1: Removethescrews1. Step2: Detachthetouchpadinthedirectionshownbyarrow2.

1

1 2

Figure 26. Remove the screws and detach the touchpad

When installing:Makesurethattheconnectorisattachedfirmly.

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V155-15API Hardware Maintenance Manual

1130 Upper case

Foraccess,removetheFRUinfollowingorder: 1010Opticaldriveonpage33 1020Basecoveronpage35 1030Harddiskdriveonpage39 1040Batterypackonpage41 1060DIMMonpage45 1070PCIExpressMiniCardforwirelessLANonpage46 1080FanassemblyandHeatSinkassemblyonpage48 1090Systemboardonpage52 1100ODDtransferboardandbackupbatteryonpage54 1110Speakersonpage56 1120Touchpadonpage57

Step1: Removethescrews1.

1

1

1

1

Figure 27.Removethescrews

Step Screw (quantity) Color Torque

1 M2.55mm,Phillips-head,nylok-coated(4) Silver 3+/-0.3kgf/cm

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Lenovo V155-15API

Step2: Openthehingeinthedirectionshownbyarrows2.

2

2

Figure 28. Open the hinge

Step3: RemovetheuppercasefromtheLCDmoduleinthedirections shownbyarrow3.

3

Figure 29.Removetheuppercase

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V155-15API Hardware Maintenance Manual

1140 LCD unit

Foraccess,removetheFRUinfollowingorder: 1010Opticaldriveonpage33 1020Basecoveronpage35 1030Harddiskdriveonpage39 1040Batterypackonpage41 1050SSDcardonpage43 1060DIMMonpage45 1070PCIExpressMiniCardforwirelessLANonpage46 1080FanassemblyandHeatSinkassemblyonpage48 1090Systemboardonpage52 1100ODDtransferboardandbackupbatteryonpage54 1110Speakersonpage56 1120Touchpadonpage57 1130Uppercaseonpage58

Step1: Pullthehingecapinthedirectionshownbyarrow1toreleasethe hooks.

1

Figure 30. Remove the hinge cap

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Lenovo V155-15API

Step2: RemovetheLCDfrontbezelinthedirectionshownbyarrows2.

2 2

2 2

Figure 31. Remove the LCD front bezel

Step3: Removethescrews3. Step4: LifttheLCDmoduleslightly4. Step5: Disconnecttheconnectorinthedirectionshownbyarrow5. Step6: RemovetheLCDmodule.

3

3

34

5

3 3

3 3

3

Figure 32. Remove the screws and LCD module connector

Step Screw (quantity) Color Torque

3 M23mm,Phillips-head,nylok-coated(8) Black 1.85+/-0.15kgf/cm

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V155-15API Hardware Maintenance Manual

Step7: RemovetheLCDhingesinthedirectionshownbyarrows7.

7

7

Figure 33. Remove the LCD hinges

Step8: Pullouttheadhesivetapesinthedirectionshownbyarrows8.

8

8

Figure 34. Pull out the adhesive tapes securing the hinge modules

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Lenovo V155-15API

Step9: Removethehingemodulesinthedirectionshownbyarrow9.

9

9

Figure 35. Remove the hinge modules

When installing:Makesurethattheconnectorisattachedfirmlyandthatyou donotpinchtheantennacableswhenyouattachtheLCDassembly.Routethe LCDcablealongthecableguides.

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V155-15API Hardware Maintenance Manual

1150 Integrated camera and antenna assembly

Foraccess,removetheFRUinfollowingorder: 1010Opticaldriveonpage33 1020Basecoveronpage35 1030Harddiskdriveonpage39 1040Batterypackonpage41 1050SSDcardonpage43 1060DIMMonpage45 1070PCIExpressMiniCardforwirelessLANonpage46 1080FanassemblyandHeatSinkassemblyonpage48 1090Systemboardonpage52 1100ODDtransferboardandbackupbatteryonpage54 1110Speakersonpage56 1120Touchpadonpage57 1130Uppercaseonpage58 1140LCDunitonpage60

Step1: Detachthecameraconnectorinthedirectionshownbyarrow1.

1

Figure 36. Detach the camera connector

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Lenovo V155-15API

Note:TheintegratedcameraisstuckonthetopcenteroftheLCDcover.

Step2: Removetheintegratedcamerainthedirectionshownbyarrow2.

2

Figure 37. Remove the integrated camera

When installing:Stick the integratedcamera to the topcenterof theLCD coverandadjustitsplacementtomakesuretheconnectorisattachedfirmly.

Step3: Peelofftheadhesivetapesecuringtheantennaboards. Step4: Releasethecablesfromthecableguide. Step5: Removetheantennaassemblyinthedirectionshownbyarrows3.

3

3

Figure 38. Remove the antenna assembly

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V155-15API Hardware Maintenance Manual

Locations

Front view and right-side view 1 Camera 2 Shutter 3 Cameraindicator 4 WirelessLAN/Bluetoothantennas 5 Microphones 6 Screen 7 Ventilationslots 8 Mini-securityslot 9 CD/DVDdrive 10 Touchpad

123

4

4

5

6

7 8

9

10

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Lenovo V155-15API

Bottom and Left-side view 1 Ventilationslots 2 Powerconnector 3 Battery/Chargingstatusindicator 4 Ethernetconnector 5 HDMITMconnector 6 USB3.1connectorsGen1 7 Audioconnector 8 Novobutton 9 PowerLED 10 Speakers

1

2345 67

8 9

10

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V155-15API Hardware Maintenance Manual

Parts list Thissectionpresentsthefollowingserviceparts: Overallonpage69 LCDFRUsonpage71

Note: Each FRU is available for all types or models, unless specific types or models are specified.

Attention: DonotattempttoreplaceanFRUonyourown.IfanFRUisdamaged,contact aLenovoauthorizedserviceroramarketingrepresentativeforreplacement orrepair.Onlyqualifiedtechnicianscaninspectorrepairthisproduct.

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Lenovo V155-15API

Overall

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

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V155-15API Hardware Maintenance Manual

Table 4. FRU (CRU) category

No. FRU (CRU) category Self-service CRU Optional-service CRU

1 LCDunit(seeLCDFRUsonpage71). No No 2 Uppercase No No 3 Hingecap No No 4 Wi-Ficard No No 5 Fanandheatsink No No 6 Systemboard No No 7 SSD No No 8 Memorymodulecover No No 9 Lowercase No No 10 Battery No No 11 Memorymodule No No 12 CMOSbattery No No 13 ODD Yes No 14 ODDtransferboard No No 15 HDDbracket No No 16 HDD No No

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Lenovo V155-15API

LCD FRUs InLenovoV155-15API,thereisfollowingtypeofLCD. 15.6-in.HDLED

1

3

6

8

5

7

4

2

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V155-15API Hardware Maintenance Manual

Table 5. FRU (CRU) categories for LCD module

No. FRU (CRU) category Self-service CRU Optional-service CRU

1 LCDbezel No No 2 Hingecap No No 3 Integratedcamera No No 4 LCDpanel No No 5 LCDHinges No No 6 Wi-Fiantennas No No 7 LCDcover No No 8 LCDcable No No

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Notices

Notices

Lenovomaynotoffer theproducts,services,or featuresdiscussed in this document in all countries.Consult your local Lenovo representative for informationontheproductsandservicescurrentlyavailable inyourarea.Any referencetoaLenovoproduct,program,orserviceisnot intendedtostateor imply thatonly thatLenovoproduct,program,orservicemaybeused.Any functionallyequivalentproduct,program,orservice thatdoesnot infringe anyLenovointellectualpropertyrightmaybeusedinstead.However, it is the usersresponsibilitytoevaluateandverifytheoperationofanyotherproduct, program,orservice. Lenovomayhavepatentsorpendingpatentapplicationscoveringsubjectmatter describedinthisdocument.Thefurnishingofthisdocumentdoesnotgiveyou anylicensetothesepatents.

LENOVO GROUP LTD. PROVIDES THIS PUBLICATION AS IS WITHOUTWARRANTYOFANYKIND,EITHEREXPRESSOR IMPLIED, INCLUDING,BUTNOTLIMITEDTO,THEIMPLIEDWARRANTIESOFNON- INFRINGEMENT,MERCHANTABILITYORFITNESSFORAPARTICULAR PURPOSE.Some jurisdictionsdonotallowdisclaimerofexpressor implied warrantiesincertaintransactions,therefore,thisstatementmaynotapplytoyou. This informationcould includetechnical inaccuraciesor typographicalerrors. Changesareperiodicallymade to the informationherein; thesechanges willbe incorporated inneweditionsof thepublication.Lenovomaymake improvements and/or changes in the product(s) and/or the program(s) describedinthispublicationatanytimewithoutnotice. The products described in this document are not intended for use in implantationorother lifesupportapplicationswheremalfunctionmayresult in injuryordeathtopersons.Theinformationcontainedinthisdocumentdoesnot affectorchangeLenovoproductspecificationsorwarranties.Nothing in this documentshalloperateasanexpressorimpliedlicenseorindemnityunderthe intellectualpropertyrightsofLenovoorthirdparties.All informationcontained inthisdocumentwasobtainedinspecificenvironmentsandispresentedasan illustration.Theresultobtainedinotheroperatingenvironmentsmayvary. Lenovomayuseordistributeanyof the informationyousupply inanyway it believesappropriatewithoutincurringanyobligationtoyou. Anyreferences in thispublication tonon-LenovoWebsitesareprovidedfor convenienceonlyanddonotinanymannerserveasanendorsementofthose Websites.Thematerialsat thoseWebsitesarenotpartof thematerials for thisLenovoproduct,anduseofthoseWebsitesisatyourownrisk.

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V155-15API Hardware Maintenance Manual

Anyperformancedata containedhereinwasdetermined in a controlled environment.Therefore, theresultobtained inotheroperatingenvironments may vary significantly. Somemeasurementsmay have beenmade on development-levelsystemsandthereisnoguaranteethatthesemeasurements will be the same on generally available systems. Furthermore, some measurementsmayhavebeenestimatedthroughextrapolation.Actualresults mayvary.Usersof thisdocumentshouldverify theapplicabledata for their specificenvironment.

Trademarks ThefollowingtermsaretrademarksorregisteredtrademarksofLenovointhe UnitedStates,othercountries,orboth.

Lenovo OneKey

MicrosoftandWindowsaretra

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