Contents

Lenovo IdeaPad Flex 3-11ADA05 Laptop User Guide PDF

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Summary of Content for Lenovo IdeaPad Flex 3-11ADA05 Laptop User Guide PDF

Lenovo Flex 3

Read the safety notices and important tips in the included manuals before using your computer.

User Guide

First Edition (December 2014)

Copyright Lenovo 2014.

LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant to a General Services Administration GSA contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-35F-05925.

For details, refer to Guides & Manuals at http://support.lenovo.com.

Regulatory Notice

Before using the product, be sure to read Lenovo Safety and General Information Guide rst.

The features described in this guide are common to most models. Some features may not be available on your computer or your computer may include features that are not described in this user guide.

Some instructions in this guide may assume that you are using Windows 8.1. If you are using another Windows operating system, some operations may be slightly different. If you are using other operating systems, some operations may not apply to you.

Notes

The illustrations used in this manual are for Lenovo Flex 3-1570 unless otherwise stated.

The illustrations in this manual may differ from the actual product. Please refer to the actual product.

- To view compliance information go to: http://www.lenovo.com/compliance

- To download environmental information go to: http://www.lenovo.com/ecodeclaration

The latest electronic compliance and environmental information are available from the Lenovo compliance information Web sites.

Instructions and technical information in this manual are applicable to the following Lenovo notebook computers unless otherwise stated.

Model name MT

Flex 3-1470

Flex 3-1470 (HSW)

Flex 3-1435

Flex 3-1475

Flex 3-1570

Flex 3-1570 (HSW)

Flex 3-1535

80JK

80JY

80K1

80JL

80JM

80K0

80JN

Lenovo User Guide Flex 3

i

Contents

Chapter 1. Getting to know your computer..................................................................................... 1 Top view......................................................................................................................................................... 1 Left-side view............................................................................................................................................... 10 Right-side view............................................................................................................................................ 13 Bottom view................................................................................................................................................. 16

Chapter 2. Starting to use Windows 8.1 ........................................................................................ 18 Configuring the operating system for the first time.............................................................................. 18 Operating system interfaces...................................................................................................................... 18 The charms................................................................................................................................................... 19 Putting the computer to sleep or shutting it down................................................................................ 21 Touch screen operation.............................................................................................................................. 23 Connecting to a wireless network............................................................................................................. 27 Help and support........................................................................................................................................ 28

Chapter 3. Lenovo OneKey Recovery System.............................................................................. 29 Chapter 4. Troubleshooting............................................................................................................ 30

Frequently asked questions....................................................................................................................... 30 Troubleshooting........................................................................................................................................... 32

Trademarks ...................................................................................................................................... 35

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Chapter 1. Getting to know your computer

Top view - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Lenovo Flex 3-1470/Flex 3-1470 (HSW)/Flex 3-1435/Flex 3-1475

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Chapter 1. Getting to know your computer

Lenovo Flex 3-1570/Flex 3-1570 (HSW)/Flex 3-1535

Attention: When closing the display panel, be careful not to leave pens or any other objects in between the display

panel and the keyboard. Otherwise, the display panel may be damaged.

Note: The dashed areas indicate parts that are not visible externally.

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Chapter 1. Getting to know your computer

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a Integrated camera Use the camera for video communication.

b Wireless LAN antennas Connect to a wireless LAN adapter to send and receive wireless radio signals.

c Built-in microphone Captures sound which can be used for video conferencing, voice narration, or audio recording.

Note: Select models may have only one microphone, please refer to the actual product.

d Multi-touch screen The LCD display with LED backlight provides brilliant visual output. Multi-touch function is available on this display.

e Touchpad The touchpad functions as a conventional mouse.

Touchpad: To move the pointer on the screen, slide your fingertip over the pad in the direction in which you want the pointer to move. Touchpad buttons: The functions of the left/right side correspond to that of the left/right mouse button on a conventional mouse.

Note: You can enable/disable the touchpad by pressing F6 ( ).

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Chapter 1. Getting to know your computer

Using the keyboard

Numeric keypad (Lenovo Flex 3-1570/Flex 3-1570 (HSW)/Flex 3-1535)

The keyboard has a separate numeric keypad. To enable or disable the numeric keypad, press the Num Lock key.

Function key combinations

Through the use of the function keys, you can change operational features instantly. To use this

function, press and hold Fn ; then press one of the function keys .

Lenovo Flex 3-1470/Flex 3-1470 (HSW)/Flex 3-1435/Flex 3-1475

The following describes the features of each function key.

Fn + Home: Activates the pause function.

Fn + End: Activates the break function.

Fn + PgUp: Enables/disables the scroll lock.

Fn + PgDn: Activates the insert function.

Fn + Space (on select models): Adjusts the keyboard backlight (off dim bright off).

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Chapter 1. Getting to know your computer

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Lenovo Flex 3-1570/Flex 3-1570 (HSW)/Flex 3-1535

The following describes the features of each function key.

Hotkeys

You can access certain system settings quickly by pressing the appropriate hotkeys.

Lenovo Flex 3-1470/Flex 3-1470 (HSW)/Flex 3-1435/Flex 3-1475

Fn + Home: Activates the pause function.

Fn + End: Activates the break function.

Fn + PgUp: Enables/disables the scroll lock.

Fn + PgDn: Activates the system request.

Fn + Space (on select models): Adjusts the keyboard backlight (off dim bright off).

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Chapter 1. Getting to know your computer

Lenovo Flex 3-1570/Flex 3-1570 (HSW)/Flex 3-1535

Setting hotkey mode

By default, the hotkey functions are accessible by pressing the appropriate hotkey. However, you can disable the hotkey mode in the BIOS setup utility. To disable the hotkey mode: 1 Shut down the computer. 2 Press the Novo button and then select BIOS Setup. 3 In the BIOS setup utility, open the Configuration menu, and change the setting of HotKey

Mode from Enabled to Disabled. 4 Open the Exit menu, and select Exit Saving Changes.

: Mutes/unmutes the sound. : Enables/disables Airplane mode.

: Decreases the volume level. : Displays all currently active apps.

: Increases the volume level. : Turns on/off the backlight of the LCD screen.

: Closes the currently active window. : Toggles the display between the computer and an external device.

: Refreshes the desktop or the currently active window.

: Decreases the display brightness.

: Enables/disables the touchpad. : Increases the display brightness.

Note: When hotkey mode is disabled, press the Fn key and the appropriate hotkey to access the corresponding hotkey function.

Chapter 1. Getting to know your computer

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Positioning the display panel The display panel can be opened to any angle up to 360 degrees.

Notebook Mode

Suitable for tasks that require a keyboard and mouse (such as creating documents, writing e-mails, and so on).

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Chapter 1. Getting to know your computer

Stand Mode (Theater Mode)

Suitable for tasks that require little or no touch (such as viewing photos or playing videos).

Tablet Mode

Suitable for tasks that require touching the screen often (such as surfing the Web, playing games, and so on).

Chapter 1. Getting to know your computer

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Tent Mode (Presentation Mode)

Suitable for tasks that require limited interaction with the touch screen (such as displaying graphs or PowerPoint presentations).

Attention: Do not open the display with too much force, otherwise the panel or hinges may be damaged.

Note: The keyboard and touchpad are automatically locked when the screen is opened beyond 190 degrees (approximately).

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Chapter 1. Getting to know your computer

Left-side view -- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

a Kensington lock slot Attach a security lock (not supplied) here to help protect your computer from theft and unauthorized use. You can attach a security lock to your computer to help prevent it from being removed without your permission. For details on installing the security lock, please refer to the instructions shipped with the security lock that you have purchased.

Notes: Before purchasing any security product, verify that it is compatible with this type of security keyhole. You are responsible for evaluating, selecting, and implementing the locking devices and security

features. Lenovo offers no comment, judgment, or warranty regarding the function, quality, or performance of locking devices and security features.

b AC power adapter jack Connects to the AC power adapter.

c USB port Connects to USB devices.

Note: For details, see Connecting USB device on page 14.

d Memory card slot Insert memory cards (not supplied) here.

Note: For details, see Using memory cards (not supplied) on page 11.

e Combo audio jack Connects to headsets.

Notes: The combo audio jack does not support conventional microphones. The recording function might not be supported if third-party headphones or headsets are connected,

due to different industry standards.

f Rotation lock button Keeps the screen locked in portrait or landscape orientation. Locking the screen rotation will disable the gravity sensing function, thereby preventing the screen from changing its orientation automatically depending upon the angle at which it is held.

Note: The screen rotation lock button will be disabled in notebook mode.

g Volume down button Decreases the volume level.

h Volume up button Increases the volume level.

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Chapter 1. Getting to know your computer

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Using memory cards (not supplied) Your computer supports the following types of memory cards: Secure Digital (SD) card Secure Digital High Capacity (SDHC) card Secure Digital eXtended Capacity (SDXC) card MultiMediaCard (MMC)

Inserting a memory card

Insert the memory card until it touches the bottom of the slot.

Removing a memory card

Gently pull the memory card out of the memory card slot.

Notes: Insert only one card in the slot at a time. This card reader does not support SDIO devices (e.g., SDIO Bluetooth, etc.).

Note: Before removing the memory card, disable it by using the Windows safely remove hardware and eject media utility to avoid data corruption.

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Chapter 1. Getting to know your computer

Screen orientation You can rotate the display panel to your preferred orientation. The orientation of the display automatically changes (alternating between portrait and

landscape modes) depending on how you hold it.

To prevent automatic orientation, press the rotation lock button. It is located on the left edge of the computer (See illustration below).

Portrait

Landscape

Note: The screen rotation lock button will be disabled in notebook mode.

Chapter 1. Getting to know your computer

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Right-side view -- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

a Battery status indicator

b Power button Press this button to turn on the computer.

Indicator Indicator status Meaning

Battery status indicator

On (solid white) The battery has more than 20% charge.

On (solid amber) The battery has between 5% and 20% charge.

Blinking quickly (amber) The battery has less than 5% charge.

Blinking slowly (amber) The battery is being charged. When the battery charge reaches 20%, the blinking color will change to white.

Blinking slowly (white)

The battery has between 20% and 80% charge and is still charging. When the battery reaches 80% charge the light will stop blinking, but charging will continue until the battery is fully charged.

Power status indicator On (solid white) The computer is powered on.

Blinking The computer is in sleep mode.

Off The computer is powered off.

c Novo button When the computer is off, press this button to start the Lenovo OneKey Recovery System or the BIOS setup utility, or to enter the boot menu.

Notes: You can use the tip of an unfolded paper clip (or similar object without a sharp tip) to gently press the

Novo button. For details, see Lenovo OneKey Recovery System on page 29.

d USB port Connects to USB 3.0 devices.

Note: For details, see Connecting USB device on page 14.

e RJ-45 port Connects the computer to an Ethernet network.

Note: For details, see Connecting network cables on page 15.

f HDMI port Connects to devices with HDMI input such as a TV or an external display.

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Chapter 1. Getting to know your computer

Connecting USB device Your computer comes with three USB ports compatible with USB devices.

The first time you plug a USB device into a particular USB port on your computer, Windows automatically installs a driver for that device. After the driver has been installed, you can disconnect and reconnect the device without performing any additional steps.

Before disconnecting a USB storage device, make sure your computer has finished transferring data to that device. Click the Safely Remove Hardware and Eject Media icon in the Windows notification area to remove the device before disconnecting.

Note: Typically, Windows detects a new device after it has been connected, and then installs the driver automatically. However, some devices may require you to install the driver before connecting. Check the documentation provided by the devices manufacturer before connecting the device.

Note: If your USB device uses a power cord, connect the device to a power source before connecting it. Otherwise, the device may not be recognized.

Chapter 1. Getting to know your computer

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Connecting network cables

To insert a network cable, do the following:

1 Hold one connector of the network cable to press the RJ-45 cover down gently .

2 Insert the connector into the RJ-45 port .

Software configuration

Consult your Internet Service Provider (ISP) for details on how to configure your computer.

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Chapter 1. Getting to know your computer

Bottom view -- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

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Chapter 1. Getting to know your computer

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Lenovo Flex 3-1570/Flex 3-1570 (HSW)/Flex 3-1535

a Ventilation slots Dissipate internal heat.

Note: Make sure that the ventilation slots are not blocked or else the computer may overheat.

b Speakers Provide audio output.

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Chapter 2. Starting to use Windows 8.1

Configuring the operating system for the first time - - - - - - - - - - - - - - - - -

You may need to configure the operating system when it is first used. The configuration process may include the procedures below: Accepting the end user license agreement Configuring the Internet connection Registering the operating system Creating a user account

Operating system interfaces - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Windows 8.1 comes with two main user interfaces: the Start screen and the Windows desktop. To switch from the Start screen to the Windows desktop, do one of the following: Select the Windows desktop tile on the Start screen.

Press the Windows key + D.

To switch from the desktop to the Start screen, do one of the following:

Select Start from the charms bar. Move the cursor to the lower-left corner, and then select the Start button.

Start screen Desktop

Chapter 2. Starting to use Windows 8.1

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The charms - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Charms are navigation buttons that let you control your Windows 8.1 experience. Charms include: Search, Share, Start, Devices, and Settings. The Charms Bar is the menu that contains the charms. The five charms provide new and faster ways to perform many basic tasks, and are always available regardless of whichever app you are currently in. To display the charms, do one of the following: Move the cursor to the upper-right or lower-right corner until the charms bar is displayed. Use one finger to swipe in from the right edge of the screen until the charms bar is displayed.

Press Windows key + C.

Search charm

The Search charm is a powerful new way to find what you are looking for, including settings, files, Web images, Web videos, etc.

Share charm

The Share charm lets you send links, photos, and more to your friends and social networks without leaving the app you are in.

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Chapter 2. Starting to use Windows 8.1

Start charm

The Start charm is a fast way to go to the Start screen.

Devices charm

The Devices charm allows you to connect or send files to any external devices, including the devices to play, print, and project.

Settings charm

The Settings charm lets you perform basic tasks, such as setting the volume or shutting down the computer. Also, you can get to the Control Panel through the Settings charm when on the Desktop screen.

Chapter 2. Starting to use Windows 8.1

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Putting the computer to sleep or shutting it down -- - - - - - - - - - - - - - - - - - -

When you have finished working with your computer, you can put it to sleep or shut it down.

Putting your computer to sleep If you will be away from your computer for only a short time, put the computer to sleep. When the computer is in sleep mode, you can quickly wake it to resume use, bypassing the startup process. To put the computer to sleep, do one of the following: Close the display lid. Press the Power button.

Open the charms, and then select Settings Power Sleep.

To wake the computer, do one of the following: Press any key on the keyboard. (Notebook mode only) Press the Power button.

Note: Wait until the power indicator light starts blinking (indicating that the computer is in sleep mode) before you move your computer. Moving your computer while the hard disk is spinning can damage the hard disk, causing loss of data.

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Chapter 2. Starting to use Windows 8.1

Shutting down the computer If you are not going to use your computer for a long time, shut it down. To shut down the computer, do one of the following:

Open the charms, and then select Settings Power Shut down.

Press and hold or right-click the Start button in the lower-left corner and select Shut down or sign out Shut down.

Select Shut down in the upper-right corner of the Start screen.

Note: The operation depends on the BIOS setup. Please refer to the actual product.

Chapter 2. Starting to use Windows 8.1

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Touch screen operation -- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

The display panel can accept inputs like a tablet, using the multi-touch screen, or like a traditional notebook computer, using the keyboard and touchpad.

Multi-touch gestures You can touch the screen with one or more fingertips to perform a variety of tasks.

Frequently used gestures Tasks performed Tap Tap once on an item.

Performs an action, such as starting an app, opening a link, or performing a command. Similar to left-clicking with a mouse.

Press and hold Press your finger down and leave it there for a moment.

Enables you to see detailed information before selecting an action. Can also open a menu with more options. Similar to right- clicking with a mouse.

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Chapter 2. Starting to use Windows 8.1

Zoom Move two fingers together or apart while touching the screen.

Zooms in and out on visual apps, such as pictures and maps. Can also jump to the beginning or end of a list.

Rotate Place two or more fingers on an item and then turn your hand.

Rotates an object (Note: Not all items can be rotated, depending upon the app.).

Slide Drag your finger across the screen.

Pans or scrolls through lists and pages. Can also move an object or be used to draw or write, depending upon the app. Similar to pressing and holding to pan and to scrolling with a mouse.

(continued)

Frequently used gestures Tasks performed

Chapter 2. Starting to use Windows 8.1

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Swipe Start from any edge of the screen, then swipe inwards toward the center.

Swiping down from the top edge or up from the bottom edge displays a task bar on the bottom of the screen with app commands, including save, edit, and delete.

If you have an app currently open, you can also: Swipe from the top edge to halfway

down the screen without lifting your finger to dock that app on the left or right side of the screen. This enables you to keep two apps open simultaneously in a split-screen format.

Swipe from the top edge straight down to the bottom edge of the screen continuously without lifting your finger to close the currently open app.

(continued)

Frequently used gestures Tasks performed

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Chapter 2. Starting to use Windows 8.1

Swiping in from the left edge can: Bring in and open an app currently

running in the background.

If there is more than one currently open app, you can: Swipe in from the left to bring in an app

and, without lifting your finger, push that app quickly back off the left edge of the screen. This displays a list of the apps currently running in the background.

Swiping in from the right edge of the screen displays the charms.

(continued)

Frequently used gestures Tasks performed

Chapter 2. Starting to use Windows 8.1

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Connecting to a wireless network - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Enabling wireless connection

To enable wireless functions, do one of the following:

Press F7 ( ) to disable airplane mode.

Open the charms and select Settings to open the network configuration page. Then toggle the airplane mode switch to off.

Connecting to a wireless network

After wireless has been enabled, the computer will automatically scan for available wireless networks and display them in the wireless network list. To connect to a wireless network, click the network name in the list, and then click Connect.

Note: Ensure the Wi-Fi switch on the Network configuration page is toggled to On.

Note: Some networks require a network security key or passphrase for connection. To connect to one of those networks, ask the network administrator or the Internet service provider (ISP) for the security key or passphrase.

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Chapter 2. Starting to use Windows 8.1

Help and support - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

If you have a problem with the operating system, see the Windows Help and Support file. To open the Windows Help and Support file, do one of the following: Select Settings charm, then select Help.

Press Windows key + Fn + F1.

You can read the Windows Help and Support file on your computer. You can also get online help and support by clicking on one of the two links listed under More to explore.

Note: Windows 8.1 also provides an app, Help + Tips. You can find it on the Start screen, to learn more information on new features of Windows 8.1.

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Chapter 3. Lenovo OneKey Recovery System

The Lenovo OneKey Recovery System is software designed to back up and restore your computer. You can use it to restore the system partition to its original status in case of a system failure. You can also create user backups for easy restoration as required.

Backing up the system partition

You can back up the system partition to an image file. This image file can be used to restore the system partition. To back up the system partition: 1 In Windows, press the Novo button or double-click OneKey Recovery icon to start the

Lenovo OneKey Recovery System. 2 Click System Backup. 3 Select a back-up location and click Next to start the backup.

Restoring

You can choose to restore the system partition to its original status or to a previously created back-up point. To restore the system partition: 1 In Windows, press the Novo button or double-click OneKey Recovery icon to start the

Lenovo OneKey Recovery System. 2 Click System Recovery. The computer will restart to the recovery environment. 3 Follow the on-screen instructions to restore the system partition to its original status or to a

previously created back-up point.

If Windows cannot be started, then follow the steps below to start the Lenovo OneKey Recovery System: 1 Shut down the computer. 2 Press the Novo button. From Novo Button Menu, select System Recovery and press Enter.

Notes: If your computer is preinstalled with a GNU/Linux operating system, OneKey Recovery System is

not available. To utilize the features of the OneKey Recovery System, your hard disk already includes a hidden

partition by default to store the system image file and the OneKey Recovery System program files. This default partition is hidden for security reasons, which explains why the available disk space is less than the stated capacity.

Notes: You can choose a back-up location on the local hard disk drive or an external storage device. Remove the removable hard disk drive before starting the Lenovo OneKey Recovery System. Otherwise,

data from the removable hard disk drive might be lost. The back-up process may take a while. The back-up process is only available when Windows can be started normally.

Notes: The recovery process is irreversible. Make sure to back up any data you wish to save on the system

partition before starting the recovery process. The recovery process may take a while. So be sure to connect the AC power adapter to your computer

during the recovery process. The above instructions should be followed when Windows can be started normally.

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Chapter 4. Troubleshooting

Frequently asked questions -- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

This section lists frequently asked questions by category.

Finding information

Drivers and preinstalled software

Lenovo OneKey Recovery System

What safety precautions should I follow when using my computer?

The Lenovo Safety and General Information Guide which came with your computer contains safety precautions for using your computer. Read and follow all the precautions when using your computer.

Where can I find the hardware specifications for my computer?

You can find the hardware specification for your computer on the printed flyers which came with your computer.

Where can I find warranty information?

For detailed warranty information on this machine, please visit below website to check out: support.lenovo.com/warrantystatus.

Where are the installation discs for Lenovo preinstalled software (desktop software)?

Your computer did not come with installation discs for Lenovo preinstalled software. If you need to reinstall any preinstalled software, you can find the installation program on the D partition of your hard disk. If you cannot find the installation program there, you can also download it from the Lenovo consumer support website.

Where can I find drivers for the various hardware devices of my computer?

If your computer is preinstalled with a Windows operating system, Lenovo provides drivers for all the hardware devices that you need on the D partition of your hard disk. You can also download the latest device drivers from the Lenovo consumer support website.

Where are the recovery discs?

Your computer did not come with any recovery discs. Use the Lenovo OneKey Recovery System if you need to restore the system to its original factory status.

What can I do if the back-up process fails?

If you can start the backup but it fails during the back-up process, try the following steps: 1 Close all open programs, and then restart the back-up process.

2 Check to see if the destination media is damaged. Select another path and then try again.

When do I need to restore the system to its factory status?

Use this feature when the operating system fails to start up. If there is critical data on the system partition, back it up before starting recovery.

Chapter 4. Troubleshooting

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BIOS setup utility

Getting help

What is the BIOS setup utility?

The BIOS setup utility is a ROM-based software. It displays basic computer information and provides options for setting boot devices, security, hardware mode, and other preferences.

How can I start the BIOS setup utility?

To start the BIOS setup utility: 1 Shut down the computer.

2 Press the Novo button and then select BIOS Setup.

How can I change the boot mode?

There are two boot modes: UEFI and Legacy Support. To change the boot mode, start the BIOS setup utility and set boot mode to UEFI or Legacy Support on the boot menu.

When do I need to change the boot mode?

The default boot mode for your computer is UEFI mode. If you need to install a legacy operating system, such as Windows, Linux or Dos, etc (that is, any operating system before Windows 8) on your computer, you must change the boot mode to Legacy Support. The legacy operating system, such as Windows, Linux or Dos, etc cannot be installed if you don't change the boot mode.

How can I contact the customer support center?

See Chapter 3. Getting help and service in the Lenovo Safety and General Information Guide.

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Chapter 4. Troubleshooting

Troubleshooting - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Display problems

When I turn on the computer, nothing appears on the screen.

If the screen is blank, make sure that: - The AC power adapter is connected to the computer, and

the power cord is plugged into a working electrical outlet. - The computer power is on. Press the Power button again

for confirmation. If these items are properly set, and the screen remains blank,

have the computer serviced.

When I turn on the computer, only a white cursor appears on a blank screen.

Restore backed-up files to your Windows environment or the entire contents of your hard disk to its original factory contents using the Lenovo OneKey Recovery System. If you still see only the cursor on the screen, have the computer serviced.

The screen goes blank while the computer is on.

Your screen saver or power management may be enabled. Do one of the following to resume from sleep mode: - Press any key on the keyboard. (Notebook mode only) - Press the Power button.

- Press F9 ( ) to confirm whether the backlight of the LCD screen has been turned off.

Sleep problems

The critical low-battery error message appears, and the computer immediately turns off.

The battery power is getting low. Connect the AC power adapter to the computer.

The computer enters sleep mode immediately after Power-on self-test (POST).

Make sure that: - The battery pack is charged. - The operating temperature is within the acceptable range.

See Chapter 2. Use and care Information in the Lenovo Safety and General Information Guide.

Note: If the battery pack is charged and the temperature is within range, have the computer serviced.

Chapter 4. Troubleshooting

33

The computer does not return from sleep mode, and the computer does not work.

If your computer is in sleep mode, connect the AC power adapter to the computer, then press the Power button.

If the system still does not return from sleep mode, stops responding, or cannot be turned off, reset the computer. Unsaved data may be lost. To reset the computer, press and hold the Power button for five seconds or more. If the computer is still not reset, remove the AC power adapter.

Display panel problems

The screen is blank. Do the following: - If you are using the AC power adapter or the battery pack,

and the battery status indicator is on, press F12 ( ) to make the screen brighter.

- If the power indicator is blinking, press the Power button to resume from sleep mode.

- Press F9 ( ) to confirm whether the backlight of the LCD screen has been turned off.

- If the problem persists, follow the solution in the next problem The screen is unreadable or distorted.

The screen is unreadable or distorted.

Make sure that: - The screen resolution and color quality are correctly set. - The monitor type is correct.

Incorrect characters appear on the screen.

Is the operating system or programs installed correctly? If they are installed and configured correctly, have the computer serviced.

Sound problems

No sound can be heard from the speakers even when the volume is turned up.

Make sure that: - The Mute function is off. - The combo audio jack is not being used. - Speakers are selected as the playback device.

34

Chapter 4. Troubleshooting

Battery pack problems

Your computer shuts down before the battery status indicator shows empty. -or- Your computer operates after the battery status indicator shows empty.

Recharge the battery.

Other problems

Your computer does not respond.

To turn off your computer, press and hold the Power button for five seconds or more. If the computer still does not respond, remove the AC power adapter.

Your computer might lock when it enters sleep mode during a communication operation. Disable the sleep timer when you are working on the network.

The connected external device does not work.

Do not connect or disconnect any external device cables other than USB while the computer power is on. Otherwise, you might damage your computer.

When using high power consumption external devices such as an external USB optical disk drive, use an external device power adapter. Otherwise, the device may not be recognized, or the system may shut down as a result.

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Trademarks

The following terms are trademarks or registered trademarks of Lenovo in the United States, other countries, or both.

Lenovo OneKey

Microsoft and Windows are trademarks of Microsoft Corporation in the United States, other countries, or both.

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

Manualsnet FAQs

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