Lenovo 100e 2nd Gen Laptop Hardware Maintenance Manual PDF

Pages 56
Year 2021
Language(s)
English en
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Summary of Content for Lenovo 100e 2nd Gen Laptop Hardware Maintenance Manual PDF

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Important: Use only approved tools and test equipment... Some hand tools have handles covered with a soft material that does not insulate you when working with live electrical currents... Many customers have, near their equipment, rubber floor mats that contain small conductive fibers to decrease electrostatic discharges... Do not use this type of mat to protect yourself from electrical shock... Find the room emergency power-off (EPO) switch, disconnecting switch, or electrical outlet... If an electrical

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Safety inspection guide The purpose of this inspection guide is to assist you in identifying potentially unsafe conditions... As each machine was designed and built, required safety items were installed to protect users and service technicians from injury... This guide addresses only those items... You should use good judgment to identify potential safety hazards due to attachment of non-Lenovo features or options not covered by this inspection guide...

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Handling devices that are sensitive to electrostatic discharge Any computer part containing transistors or integrated circuits (ICs) should be considered sensitive to electrostatic discharge (ESD)... ESD damage can occur when there is a difference in charge between objects... Protect against ESD damage by equalizing the charge so that the machine, the part, the work mat, and the person handling the part are all at the same charge...

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Safety notices (multilingual translations) The safety notices in this section are provided in the following languages: English Arabic Brazilian Portuguese French German Hebrew Japanese Korean Spanish Traditional Chinese

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A FRU should not be replaced because of a single, unreproducible failure... 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 a FRU only when a problem recurs... If you suspect that a FRU is defective, clear the error log and run the test again... If the error does not recur, do not replace the FRU...

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This system supports only batteries specially designed for this specific system and manufactured by Lenovo or an authorized builder... The system does not support unauthorized batteries or batteries designed for other systems... If an unauthorized battery or a battery designed for another systems is installed, the system will not charge...

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2... Perform operational charging... Click the battery status icon in the Windows notification area to display detailed battery information... If it indicates that the battery is not charging, replace the battery...

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This topic introduces the locations of the computer controls, connectors, and indicators...

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1... Battery/Charging status indicator 2... USB-C connector / Power connector

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Chapter 3... Locating computer controls, connectors, and indicators 29

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All FRUs (CRUs) for Lenovo 100e 2nd Gen The exploded illustrations help Lenovo service technicians identify FRUs or CRUs that they may need to replace when servicing a customers computer...

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

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

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Attention: After replacing a FRU, do not turn on the computer until you have ensured that all screws, springs, and other small parts are in place and none are loose inside the computer... Verify this by shaking the computer gently and listening for rattling sounds... Metallic parts or metal flakes can cause electrical short circuits...

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Step 1... Detach the battery connector and power board cable connector from the system board...

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Attention: Use your fingernail to unplug the battery connector... Do not pull the cable...

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Remove the wireless module Make sure the following FRUs (or CRUs) have been removed...

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Remove the M... 2 solid-state drive Make sure the following FRUs (or CRUs) have been removed...

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Step 2... Remove 2 screws... Then release the speaker cable from the cable guides...

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Remove the RTC battery Make sure the following FRUs (or CRUs) have been removed...

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Remove the power board Make sure the following FRUs (or CRUs) have been removed...

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Step 1... Detach the LCD cable connector, keyboard cable connector and touchpad cable connector from the system board...

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Remove the upper case (with keyboard) Make sure the following FRUs (CRUs) have been removed... Also make sure the antenna cable connectors and LCD cable connector have been detached from the wireless module and system board...

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Step 3... From the upper edge, slowly and carefully lift up the upper case...

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Disassemble the LCD module The LCD module as a whole is not a FRU... Instead, it contains FRUs as its components... Before disassembling the LCD module, make sure it has been detached from the upper case... Refer to Remove the upper case (with keyboard) on page 44 for instructions...

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Remove the camera board Make sure the following FRUs (or CRUs) have been removed...

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Remove the hinges and LCD cable Make sure the following FRUs (or CRUs) have been removed...

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Other company, product, or service names may be trademarks or service marks of others...

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