Lenovo B70 B70-80 User Guide Read the safety notices and important tips in the included manuals before using your computer.
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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 7 or Windows 8.1. If you are using other Windows operating systems, some operations may be slightly different.
Help and support ......................16 Switching screens (for the Windows 8.1 operating system) .......16 Charms and the charms bar (for the Windows 8.1 operating system)....17 Chapter 3. Lenovo OneKey Recovery system ........19 Chapter 4. Troubleshooting ..............21 Frequently asked questions ..................21 Troubleshooting ......................24...
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Chapter 1. Getting to know your computer Integrated Use the camera for video communication. camera Built-in Captures sound which can be used for video conferencing, voice narration, or audio recording. microphone Wireless Connect to the wireless adapter to receive and send wireless radio.
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Chapter 1. Getting to know your computer Using the keyboard Your computer has number keys and function keys and may also have a numeric keypad incorporated into its standard keyboard. Numeric keypad The keyboard has a separate numeric keypad. To enable or disable the numeric keypad, press the Num Lock key.
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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. : Decreases the volume level. : Switches the active program. Turns on/off the backlight of : Increases the volume level.
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Chapter 1. Getting to know your computer 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. Fn + Home: Activate the pause function.
When the computer is off, press this button to start the Novo button Lenovo OneKey Recovery system or the BIOS setup utility, or to enter the boot menu. Note: For details, see “Chapter 3. Lenovo OneKey Recovery system” on page 19. Ventilation slots Dissipate internal heat. Attention: •...
Chapter 1. Getting to know your computer Connecting USB devices You can connect a USB device to your computer by inserting its USB plug (Type A) into the USB port on your computer. The first time you plug a USB device into a particular USB port on your computer, Windows automatically installs a driver for that device.
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Chapter 1. Getting to know your computer 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.
Chapter 1. Getting to know your computer Using memory cards (not supplied) Your computer supports the following types of memory card: • Secure Digital (SD) card • Secure Digital eXtended Capacity (SDXC) card • Secure Digital High Capacity (SDHC) card •...
Chapter 2. Starting to use Windows Charms and the charms bar (for the Windows 8.1 operating system) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Charms are navigation buttons that let you access basic tasks quickly.
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Chapter 2. Starting to use Windows 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. 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.
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.
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• The above instructions should be followed when Windows can be started normally. If Windows cannot be started, follow the steps below to start the Lenovo OneKey Recovery system: 1 Shut down the computer.
Where can I find warranty information? For the warranty applicable to your computer, including the warranty period and type of warranty service, see the Lenovo limited warranty flyer. Drivers Where can I find drivers for the various hardware devices of my computer?
Lenovo OneKey Recovery system Where are the recovery discs? Your computer did not come with recovery discs. Use the Lenovo OneKey Recovery system if you need to restore the system to its factory status. What can I do if the back-up process fails?
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Legacy Support. The legacy Windows operating system 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” of Lenovo Safety and General Information Guide.
Lenovo OneKey Recovery system. If you still see only the screen. cursor on the screen, have the computer serviced.
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• If you forget your user password, you must ask the I forgot my password. system administrator to reset your user password. • If you forget your HDD password, a Lenovo authorized servicer cannot reset your password or recover data from the hard disk. You must take your...
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- The combo audio jack is not used. - The speaker is selected as the playback device. Battery problems • Reset the battery gauge using Lenovo OneKey Your computer shuts down before the battery status Optimizer. If the problem persists, replace with a new indicator shows empty.
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Chapter 4. Troubleshooting Other problems Your computer does not • To turn off your computer, press and hold the power respond. button for 4 seconds or more. If the computer still does not respond, remove the battery pack and the AC power adapter.
You can increase the storage capacity of your computer by replacing the hard disk drive with one of greater capacity. You can purchase a new hard disk drive from your reseller or Lenovo marketing representative. Notes: Replace the hard disk drive only if you upgrade it or have it repaired. The connectors and •...
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Appendix. CRU instructions To replace the hard disk drive, do the following: 1 Turn off the computer. Disconnect the AC power adapter and all cables from the computer. 2 Close the computer display, and turn the computer over. 3 Remove the battery pack. For details, see “Replacing the battery” on page 4 Remove the Hard disk drive/Memory/Central processing unit/Mini PCI Express Card slot compartment cover.
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Appendix. CRU instructions 5 Remove the frame fixing screws 6 Pull the tab in the direction shown by arrow...
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Appendix. CRU instructions 7 Take out the hard disk drive secured in a metal frame 8 Remove the screws and detach the metal frame from the hard disk drive. 9 Attach the metal frame to a new hard disk drive and tighten the screws. 0 Put the hard disk drive gently into the hard disk drive bay with the tab facing upwards and the connectors facing each other, then push it firmly into space.
Appendix. CRU instructions Replacing memory - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - You can increase the amount of memory in your computer by installing a double-data-rate three low voltage synchronous dynamic random access memory (DDR3L SDRAM)-available as an option in the memory slot of your...
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Appendix. CRU instructions 6 If two DDR3L SDRAMs are already installed in the memory slot, remove one of them to make room for the new one by pressing out on the latches on both edges of the socket at the same time. Be sure to save the old DDR3L SDRAM for future use.
Appendix. CRU instructions Replacing the fan assembly - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - To replace the fan assembly, do the following: 1 Turn off the computer.
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Appendix. CRU instructions 5 Detach the fan connector in the direction shown by arrow and loosen the three screws to lift the fan assembly.
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Appendix. CRU instructions 6 Lift the fan assembly in the direction shown by arrow . Be careful not to damage the connector. 7 Reinstall the new fan assembly, tighten the screws, and attach the connector. 8 Reinstall the compartment cover and tighten the screws. 9 Reinstall the battery pack.
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Appendix. CRU instructions 5 Remove the screws 6 Turn the computer over, open the display, and lift the keyboard in the direction shown by arrow...
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Appendix. CRU instructions 7 Remove the keyboard from the keyboard bezel and turn the keyboard over. 8 Pull the keyboard connector slot cover upward as shown by arrow and detach the keyboard cable from the keyboard connector in the direction shown by arrow 9 Install a new keyboard.
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Appendix. CRU instructions 6 Gently pull the optical drive out The following table provides a list of CRUs (Customer Replaceable Units) for your computer, and informs you of where to find replacement instructions. Safety, Warranty, User Guide and Setup Guide AC power adapter Power cord for AC power adapter Battery pack...
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