Table of Contents
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Contents
About this manual........................................iv
Safety information.........................................1
General safety ...................................................... 2
Electrical safety .................................................... 3
Safety inspection guide ...................................... 5
electrostatic discharge......................................... 6
Grounding requirements ................................... 6
Safety notices: multilingual translations.......... 7
Laser compliance statement............................. 14
Important service information ...................16
Strategy for replacing FRUs............................. 16
drive .............................................................. 17
board ............................................................. 17
compliant FRUs ................................................. 18
General checkout ........................................19
What to do first .................................................. 20
Power system checkout .................................... 21
Checking the AC adapter........................... 21
Checking operational charging ................. 21
Checking the battery pack ......................... 22
Related service information .......................23
Recovery Disc Set .............................................. 23
Passwords........................................................... 24
Power-on password .................................... 24
Hard-disk password ................................... 24
Supervisor password .................................. 24
Power management .......................................... 25
Screen blank state ........................................ 25
it down .......................................................... 25
Lenovo B41-80 ............................................27
Specifications ..................................................... 27
Status indicators ................................................ 28
Fn key combinations ......................................... 29
Hotkeys ............................................................... 29
FRU replacement notices.................................. 30
Screw notices................................................ 30
Removing and replacing an FRU.................... 31
1010 Battery pack......................................... 32
1020 Optical drive ....................................... 33
1030 Bottom slot cover ................................ 35
1040 Hard disk drive ................................... 36
1050 DIMM ................................................... 38
LAN/WAN.................................................... 39
1070 Keyboard.............................................. 40
1080 Keyboard bezel ................................... 42
board.............................................................. 44
1100 USB board ............................................ 46
1110 System board ....................................... 47
1120 Fan and heat sink assembly .............. 49
1130 Speakers ............................................... 50
1140 LCD unit and base cover ................... 51
1150 LCD front bezel................................... 55
1160 LCD panel ............................................ 56
1170 LCD hinges .......................................... 58
camera ........................................................... 59
Locations ............................................................. 61
Front view ..................................................... 61
Right-side view ............................................ 62
Bottom and left-side view .......................... 63
Parts list ............................................................... 64
Overall ........................................................... 65
LCD FRUs ..................................................... 70
Keyboard....................................................... 72
Miscellaneous parts ..................................... 75
AC adapters.................................................. 76
Screws............................................................ 76
Power cords .................................................. 77
Notices ......................................................... 80
Trademarks......................................................... 81
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