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manual abstract
Contents
About this manual........................................iv
1040 Hard disk drive ................................... 37
1050 DIMM ................................................... 39
Safety information.........................................1
1060 PCI Express Mini Card for wireless
General safety ...................................................... 2
LAN/WAN.................................................... 40
Electrical safety .................................................... 3
1070 Keyboard.............................................. 41
Safety inspection guide ...................................... 5
1080 Keyboard bezel ................................... 43
Handling devices that are sensitive to electro‐
1090 Finger print, power board and led
static discharge .................................................... 6
board.............................................................. 45
Grounding requirements ................................... 6
1100 USB board ............................................ 47
Safety notices: multilingual translations.......... 7
1110 System board ....................................... 48
Laser compliance statement............................. 14
1120 Fan and heat sink assembly .............. 50
Important service information ...................16
1130 Speakers ............................................... 51
Strategy for replacing FRUs............................. 16
1140 LCD unit and base cover ................... 52
Strategy for replacing a hard disk drive .. 17
1150 LCD front bezel................................... 56
Important notice for replacing a system
1160 LCD panel ............................................ 57
board ............................................................. 17
1170 LCD hinges .......................................... 59
Important information about replacing RoHS
1180 Antenna, LCD cable, and integrated
compliant FRUs ................................................. 18
camera ........................................................... 60
Locations ............................................................. 62
General checkout ........................................19
Front view..................................................... 62
What to do first .................................................. 20
Right‐side view ............................................ 63
Power system checkout .................................... 21
Bottom and left‐side view .......................... 64
Checking the AC adapter........................... 21
Parts list............................................................... 65
Checking operational charging ................. 21
Overall ........................................................... 66
Checking the battery pack ......................... 22
LCD FRUs ..................................................... 70
Keyboard....................................................... 72
Related service information .......................23
Miscellaneous parts ..................................... 75
Restoring the factory contents by using Recov‐
AC adapters.................................................. 76
ery Disc Set ......................................................... 23
Screws............................................................ 76
Passwords........................................................... 24
Power cords .................................................. 77
Power‐on password .................................... 24
Hard‐disk password ................................... 24
Notices .........................................................80
Supervisor password .................................. 24
Trademarks......................................................... 81
Power management .......................................... 25
Screen blank state ........................................ 25
Putting the computer to sleep or shutting it
down ............................................................. 25
Lenovo B40-30/B40-45/B40-70 ...................27
Specifications ..................................................... 27
Status indicators ................................................ 29
Fn key combinations ......................................... 30
Hotkeys ............................................................... 30
FRU replacement notices.................................. 31
Screw notices................................................ 31
Removing and replacing an FRU.................... 32
1010 Battery pack......................................... 33
1020 Optical drive ....................................... 34
1030 Bottom slot cover................................ 36
iii
...Other models in this manual:
Notebooks and Netbooks - B40-45 Laptop (Lenovo) (4.67 mb)
Notebooks and Netbooks - B40-70 Laptop (Lenovo) (4.67 mb)