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Lenovo U31-70 User Manual
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Lenovo U31-70

User Guide

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

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Table of Contents
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Summary of Contents for Lenovo U31-70

  • Page 1: User Guide

    Lenovo U31-70 User Guide Read the safety notices and important tips in the included manuals before using your computer.
  • Page 2 Notes • Before using the product, be sure to read Lenovo Safety and General Information Guide first. 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.
  • Page 3: Table Of Contents

    Putting the computer to sleep or shutting it down ................15 Connecting to a wireless network ......................17 Help and support ............................18 Chapter 3. Lenovo OneKey Recovery System................19 Chapter 4. Troubleshooting......................20 Frequently asked questions ........................20 Troubleshooting ............................22...
  • Page 5: Chapter 1. Getting To Know Your Computer

    Chapter 1. Getting to know your computer Top view - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Note: The dashed areas indicate parts that are not visible externally.
  • Page 6 Chapter 1. Getting to know your computer Integrated camera Use the camera for video communication. Built-in microphone Captures sound which can be used for video conferencing, voice narration, or audio recording. Computer display The computer display with LED backlight provides brilliant visual output.
  • Page 7 Chapter 1. Getting to know your computer  Using the keyboard 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 The following describes the features of each function key.
  • Page 8: Hotkeys

    Chapter 1. Getting to know your computer Hotkeys You can access certain system settings quickly by pressing the appropriate hotkeys. Enables/disables Airplane : Mutes/unmutes the sound. mode. Displays all currently active : Decreases the volume level. apps. Turns on/off the backlight of the : Increases the volume level.
  • Page 9: Left-Side View

    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. AC power adapter jack Connects to the AC power adapter.
  • Page 10: System Status Indicators

    Chapter 1. Getting to know your computer System status indicators Indicator Indicator status Meaning 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. The battery is being charged.
  • Page 11: Using Memory Cards

    Chapter 1. Getting to know your computer  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 •...
  • Page 12: Right-Side View

    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 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.
  • Page 13: Connecting Usb Devices

    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.
  • Page 14 Chapter 1. Getting to know your computer  Connecting network cables To insert a network cable, do the following: Hold one connector of the network cable to press the RJ-45 cover down gently Insert the connector into the RJ-45 port Software configuration Consult your Internet Service Provider (ISP) for details on how to configure your computer.
  • Page 15: Bottom View

    Chapter 1. Getting to know your computer Bottom view - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Louvers Allow air to enter the computer for cooling.
  • Page 16: Chapter 2. Starting To Use Windows 8.1

    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: •...
  • Page 17: The Charms

    Chapter 2. Starting to use Windows 8.1 The charms - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Charms are navigation buttons that let you control your Windows ®...
  • Page 18 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.
  • Page 19: Putting The Computer To Sleep Or Shutting It Down

    Chapter 2. Starting to use Windows 8.1 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 ...
  • Page 20: Shutting Down The Computer

    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.
  • Page 21: Connecting To A Wireless Network

    Chapter 2. Starting to use Windows 8.1 Connecting to a wireless network - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Enabling wireless connection To enable wireless functions, do the following: Press...
  • Page 22: Help And Support

    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.
  • Page 23: Chapter 3. Lenovo Onekey Recovery System

    • The above instructions should be followed when Windows can be started normally. If Windows cannot be started, then follow the steps below to start the Lenovo OneKey Recovery System: Shut down the computer. Press the Novo button. From Novo Button Menu, select System Recovery and press Enter.
  • Page 24: Chapter 4. Troubleshooting

    Lenovo OneKey Recovery System 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: Close all open programs, and then restart the back-up process.
  • Page 25: Bios Setup Utility

    Windows, Linux or Dos, etc. cannot be installed if you don't change the boot mode. Getting help  How can I contact the customer support center? See “Chapter 3. Getting help and service” in the Lenovo Safety and General Information Guide.
  • Page 26: Troubleshooting

    Lenovo OneKey Recovery System. If you still see screen. only the cursor on the screen, have the computer serviced.
  • Page 27: Sound Problems

    Chapter 4. Troubleshooting 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.
  • Page 28: Other Problems

    Chapter 4. Troubleshooting Battery pack problems Your computer shuts down • Recharge the battery. before the battery status indicator shows empty. -or- Your computer operates after the battery status indicator shows empty. Other problems Your computer does not • To turn off your computer, press and hold the Power button respond.
  • Page 29: Trademarks

    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.
  • Page 30 en-US Rev. AA00...

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