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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
Laser compliance statement (multilingual
translations) ..............28
Important service information .....39
Strategy for replacing FRUs .........39
Strategy for replacing a hard disk drive ....40
Important notice for replacing a system board . . 40
How to use error message ........40
Strategy for replacing FRUs for CTO, CMV, and
GAV.................41
Product definition ...........41
FRU identification for CTO, CMV, and GAV
products ..............41
General checkout ..........43
What to do first .............44
Checkout guide .............45
Diagnostics using PC-Doctor for DOS ....45
Lenovo ThinkVantage Toolbox (Lenovo System
Toolbox) ..............48
PC-Doctor for Rescue and Recovery .....48
FRU tests ..............49
Power system checkout ..........51
Checking the ac adapter .........51
Checking operational charging .......51
Checking the battery pack ........52
Checking the backup battery .......52
Related service information......55
Restoring the factory contents by using Recovery
Disc Set ...............55
Passwords...............56
Power-on password ..........57
Hard-disk password ..........57
Supervisor password ..........57
How to remove the power-on password ....57
How to remove the hard-disk password ....58
Power management ...........60
Screen blank mode ...........60
Sleep (standby) mode ..........60
Hibernation mode ...........61
Symptom-to-FRU index ..........62
Numeric error codes ..........62
Error messages ............65
No-beep symptoms...........65
LCD-related symptoms .........66
Intermittent problems ..........67
Undetermined problems .........67
Status indicators ..........69
Fn key combinations ........71
FRU replacement notices.......75
Screw notices ..............75
Retaining serial numbers ..........76
Restoring the serial number of the system unit 76
Retaining the UUID ..........76
Reading or writing the ECA information . . . 77
Removing and replacing a FRU ....79
1010 Battery pack ............80
1020 ExpressCard blank bezel and Media Card
blank bezel ..............82
1030 Optical drive or travel cover .......84
1040 Thermal cover............85
1050 Hard disk drive (HDD) assembly .....86
1060 DIMM ..............88
1070 Fan assembly ............89
1080 CPU ...............93
1090 SIM slot cover............94
1100 Wireless WAN slot cover and PCI Express Mini
Card for wireless WAN ..........96
1110 Palm rest assembly with cables ......98
1120 PCI Express Mini Card for wireless LAN . . 101
1130 Backup battery ...........103
1140 Bluetooth daughter card (BDC-2) .....104
1150 Media Card Reader slot board and Media
Card Reader cable assembly ........105
1160 Keyboard .............107
1170 Keyboard bezel ...........110
1180 LCD unit .............112
1190 Top shielding assembly ........117
1200 System board assembly ........121
1210 USB connector board and USB cable assembly 129
1220 DC-in cable and base cover .......131
2010 LCD front bezel ...........136
2020 Speaker assembly ..........137
2030 Integrated camera ..........138
2040 Antenna assembly ..........139
2050 Hinges, LCD panel, LCD cable, and LCD rear
cover assembly .............141
Locations .............145
Front view ..............145
Rear view ..............146
Bottom view..............146
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