Lenovo B71 80 Laptop User Guide

							Lenovo
B71-80
User Guide 
Read the safety notices and important tips in the 
included manuals before using your computer. 
						

							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 10. If you are using anothe r Windows operating system, some 
operations may be slightly different. If you are using other operating systems, 
some operations may not apply to you.
 The features described in this guide are common to most models. Some  f e a t u r e s  m a y  n o t  b e  a v a i l a b l e  o n  y o u r  c o m p u t e r  o r  y o u r  c o m p u t e r  m a y  i n c l u d e  
features that are not described in this user guide.
 The illustrations in this manual may differ from the actual product. Please refer  to the actual product.
Regulatory Notice
 For details, refer to  Guides & Manuals at http://support.lenovo.com
.
First Edition (September 2015)
© Copyright Lenovo 2015.
LIMITED AND RESTRICTED RIGHTS NO TICE: If data or software is delivered pursuant to a General 
Services Administration “GSA” contra ct, use, reproduction, or disclosure is subject to restrictions set 
forth in Contract No. GS-35F-05925. 
						

							i
Contents
Chapter 1. Getting to know your computer  ......................................... 1
Top view  .....................................................................................................................  1
Left-side view  ............................................................................................................  6
Right-side view  ........................................................................................................  10
Front view  ................................................................................................................  11
Bottom view  .............................................................................................................  12
Chapter 2. Starting to use Windows  .................................................. 13
Configuring the operating system for the first time  ..........................................  13
Power-saving modes ...............................................................................................  13
Connecting to a wireless network  ........................................................................  15
Help and support .....................................................................................................  15
Operating system interface (for the Windows 10 operating system) ...............  16
Task and desktop management (for the Windows 10 operating system) .......  18
Get Started app (for the Windows 10 operating system)  ..................................  19
Chapter 3. Lenovo OneKey Recovery system  .................................. 20
Chapter 4. Troubleshooting  ................................................................ 22
Frequently asked questions  ...................................................................................  22
Troubleshooting ......................................................................................................  24
Appendix A. CRU instructions ............................................................ 27
Replacing the hard disk drive  ...............................................................................  28
Replacing the memory  ...........................................................................................  31
Replacing the keyboard ..........................................................................................  34
Replacing the optical drive  ....................................................................................  36
Trademarks ........................................................................................... 38 
						

							1
Chapter 1. Getting to know your computer
Top view - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
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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e
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ab
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							Chapter 1. Getting to know your computer
2
aBuilt-in 
microphoneCapture sound which can be used for video conferencing, 
voice narration, or audio recording.
bIntegrated 
cameraUse the camera for video communication.
cWireless LAN 
antennasConnect to a wireless LAN adapter to send and receive 
wireless radio signals.
dComputer displayThe LCD display with LED backlight provides brilliant 
visual output.
ePower buttonPress this button to turn on the computer.
fCaps lock 
indicator
gTouch pad
The 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/disable the touch pad by pressing F6 ().
hNumeric keypadFor details, see “Using the keyboard” on page 3. 
						

							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. 
						

							Chapter 1. Getting to know your computer
4 Using the keyboard
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. :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 display 
brightness.
 :Enables/disables the touch 
pad. :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 a; then press one of the 
function keys b.
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.
b
a 
						

							Chapter 1. Getting to know your computer
6
Left-side view  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
aAC power adapter 
jackConnects to the AC power adapter.
bNovo 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.
cVentilation slotsDissipate internal heat.
Note:Make sure that none of the ventilation slots are blocked, or else overheating of the 
computer may occur.
dVGA portConnects to external display devices.
eRJ-45 portConnects the computer to an Ethernet network.
fHDMI portConnects to devices with HDMI input such as a TV or a 
display.
gUSB 3.0 portConnects to USB devices.
Note:For details, see “Connecting USB devices” on page 7.
hMemory card slotInsert memory cards (not supplied) here.
Note:For details, see “Using memory cards (not supplied)” on page 8.
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