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Contents
About this manual ..........v
Safety information ..........1
General safety ..............2
Electrical safety .............3
Safety inspection guide ...........5
Handling devices that are sensitive to electrostatic
discharge ...............6
Grounding requirements ..........6
Safety notices (multilingual translations) .....7
Important service information .....29
Strategy for replacing FRUs .........30
Strategy for replacing a hard disk drive ....30
Important notice for replacing a system board . . 31
How to use error message ........31
Strategy for replacing FRUs for CTO, CMV, and
GAV.................32
Product definition ...........32
FRU identification for CTO, CMV, and GAV
products ..............32
General checkout ..........35
What to do first .............36
Checkout guide .............37
Diagnostics using PC-Doctor for DOS ....37
Lenovo ThinkVantage Toolbox (Lenovo System
Toolbox) ..............40
PC-Doctor for Rescue and Recovery .....40
FRU tests ..............41
Power system checkout ..........43
Checking the AC adapter .........43
Checking operational charging .......44
Checking the battery pack ........44
Checking the backup battery .......45
Related service information......47
Restoring the factory contents by using Recovery
Disc Set ...............47
Passwords ...............48
Power-on password ..........49
Hard-disk password ..........49
Supervisor password ..........49
How to remove the power-on password ....49
How to remove the hard-disk password ....50
Power management ...........52
Screen blank mode ...........52
Sleep mode .............52
Hibernation mode ...........52
Symptom-to-FRU index ..........53
Numeric error codes ..........53
Error messages ............56
No-beep symptoms ...........56
LCD-related symptoms .........57
Intermittent problems ..........58
Undetermined problems .........58
Status indicators ..........59
Special keys ............61
FRU replacement notices .......63
Screw notices ..............63
Retaining serial numbers ..........64
Restoring the serial number of the system unit 64
Retaining the UUID ..........64
Reading or writing the ECA information . . . 65
Removing and replacing a FRU ....67
1010 Battery pack ............68
1020 Bottom slot cover...........70
1030 DIMM ..............72
1040 Hard disk drive (HDD).........73
1050 PCI Express Mini Card for wireless LAN. . . 75
1060 PCI Express Mini Card for wireless WAN . . 77
1070 Keyboard .............79
1080 Top case assembly and microphone module . . 82
1090 Backup battery ...........86
1100 Bluetooth daughter card (BDC-2) .....87
1110 Speaker assembly...........88
1120 System board and fan assembly ......90
1130 I/O card assembly, audio cable, and I/O cable 98
1140 LCD unit .............100
1150 Base cover assembly and DC-in cable . . . 102
2010 LCD bezel assembly .........105
2020 Integrated camera ..........106
2030 LCD panel and LCD cable .......107
2070 Hinge kit .............110
2050 Wireless LAN antenna assembly, wireless
WAN antenna assembly, and LCD rear cover
assembly ...............112
Locations .............115
Front view ..............115
Bottom view..............116
Parts list .............117
Overall ...............118
LCD FRUs ..............126
Keyboard...............129
AC adapters..............130
Miscellaneous parts ...........130
Power cords ..............131
Recovery discs .............132
Windows 7 Home Basic (32 bit) DVDs ....132
Windows 7 Home Premium (32 bit) DVDs . . 132
Windows 7 Home Premium (64 bit) DVDs . . 133
Windows 7 Professional (32 bit) DVDs ....134
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