Lenovo B70 80 Laptop User Guide

							
Lenovo B70
 B70-80
Read the safety notices and important tips in the included manuals before using your computer.en-USRev. AA00
User Guide
©Lenovo China 2015 
						

							
First Edition (March 2015)
© Copyright Lenovo 2015. 
Before using the product, be sure to read Lenovo Safety and General 
Information Guide first.
The features described in this guide are common to most models. 
Some features may not be available on your computer and/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® 7 or Windows 8.1. If you are using other Windows operating 
systems, some operations may be slightly different. If you are using 
other operating systems, some operations may not apply to you.
LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant a General Services Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-35F-05925.
Notes
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The illustrations in this manual may differ from the actual product. 
Please refer to the actual product.
•
For details, refer to Guides & Manuals at http://support.lenovo.com.
Regulatory Notice
• 
						

							i Chapter 1. Getting to know your computer .......................................... 1
Top view .......................................................................................................................1
Left-side view .............................................................................................................. 6
Right-side view ............................................................................................................ 9
Front view .................................................................................................................. 10
Bottom view ............................................................................................................... 12
Chapter 2. Starting to use Windows ................................................... 13
Configuring the operating system for the first time ............................................ 13
Putting the computer to sleep or shutting it down .............................................. 14
Connecting to a wireless network .......................................................................... 15
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
Appendix. CRU instructions ................................................................ 28
Replacing the battery ................................................................................................28
Replacing the hard disk drive ................................................................................. 29
Replacing memory .................................................................................................... 33
Replacing the fan assembly ..................................................................................... 35
Replacing the keyboard............................................................................................ 38
Removing the optical drive ..................................................................................... 41
Trademarks............................................................................................ 43
Contents 
						

							1
Chapter 1. Getting to know your computer
Top view - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
Note:The dashed areas indicate parts that are invisible from outside.
Attention:
•Do not open the display panel beyond 130 degrees. 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.
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							2
Chapter 1. Getting to know your computer
Integrated 
camera
Use the camera for video communication.
Built-in 
microphoneCaptures sound which can be used for video 
conferencing, voice narration, or audio recording.
Wireless 
antennasConnect to the wireless adapter to receive and send 
wireless radio. 
DisplayProvides brilliant visual output.
Power buttonPress this button to turn on the computer.
Touch padThe touch pad functions as a conventional mouse.
Touch pad: To move the pointer on the screen, slide your 
fingertip over the pad in the direction in which you want 
the pointer to move.
Touch pad buttons: The functions of the left/right side 
correspond to those of the left/right mouse button on a 
conventional mouse.
Note:You can enable or disable the Touch pad and the Touch pad buttons by pressing 
.
Numeric keypadFor details, see “Using the keyboard” on page 3.
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							Chapter 1. Getting to know your computer
3 „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. 
						

							4
Chapter 1. Getting to know your computer
„Hotkeys
You can access certain system settings quickly by pressing the appropriate 
hotkeys.
: Mutes/unmutes the sound.: Enables/disables airplane 
mode.
: Decreases the volume level.
: Switches the active program.
: Increases the volume level.: Turns on/off the backlight of 
the display.
: Closes the currently active 
window.: Projects to a connected 
display. 
: Refreshes the desktop or the 
currently active window.: Decreases display 
brightness.
: Enables/disables the 
touch pad and the touch pad 
buttons.: Increases display brightness.
Note:If you changed the Hotkey Mode from Enabled to Disabled in the BIOS setup utility, 
you will need to press the Fn key in combination with the appropriate hotkey. 
						

							Chapter 1. Getting to know your computer
5
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.
Fn + End:Activate the break function.
Fn + PgUp:Enable/Disable the scroll lock.
Fn + PgDn:Activate the system request.
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							6
Chapter 1. Getting to know your computer
Left-side view  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
AC power adapter 
jackConnects the AC power adapter.
Novo buttonWhen 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.
Note:For details, see “Chapter 3. Lenovo OneKey Recovery system” on page 19.
Ventilation slotsDissipate internal heat.
Attention:
Make sure that none of the ventilation slots are blocked or else overheating of the 
computer may occur.
VGA por tConnects to external display devices.
RJ-45 portConnects the computer to an Ethernet network.
HDMI portConnects to devices with HDMI input such as a TV or a 
display.
USB portsConnect to USB devices.
Notes:
The blue port supports USB 3.0.
For details, see “Connecting USB devices” on page 7.
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