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Contents
About this manual. . . . . . . . . . . iii
Chapter 1. Safety information . . . . . . 1
General safety . . . . . . . . . . . . . . . . 1
Electrical safety . . . . . . . . . . . . . . . 1
Safety inspection guide . . . . . . . . . . . . 3
Handling devices that are sensitive to electrostatic
discharge. . . . . . . . . . . . . . . . . . 3
Grounding requirements . . . . . . . . . . . . 4
Safety notices (multilingual translations) . . . . . . 4
Chapter 2. Important service
information . . . . . . . . . . . . . . 19
Strategy for replacing FRUs . . . . . . . . . 19
Strategy for replacing a hard disk drive . . . 20
Important notice for replacing a system
board . . . . . . . . . . . . . . . . 20
How to use error message . . . . . . . . 20
Strategy for replacing FRUs for CTO, CMV, and
GAV . . . . . . . . . . . . . . . . . . . 20
Product denition. . . . . . . . . . . . 20
FRU identication for CTO, CMV, and GAV
products . . . . . . . . . . . . . . . 21
Chapter 3. General checkout . . . . . 23
What to do rst . . . . . . . . . . . . . . 23
Checkout guide . . . . . . . . . . . . . . 24
Diagnostics using PC-Doctor for DOS. . . . 24
Lenovo ThinkVantage Toolbox . . . . . . . 27
FRU tests . . . . . . . . . . . . . . . 27
Power system checkout . . . . . . . . . . . 28
Checking the AC adapter. . . . . . . . . 28
Checking operational charging . . . . . . 29
Checking the battery pack . . . . . . . . 29
Checking the backup battery . . . . . . . 30
Chapter 4. Related service
information . . . . . . . . . . . . . . 31
Restoring the factory contents by using Recovery
Disc Set . . . . . . . . . . . . . . . . . 31
Passwords . . . . . . . . . . . . . . . . 32
Power-on password . . . . . . . . . . . 32
Hard-disk password. . . . . . . . . . . 32
Supervisor password . . . . . . . . . . 33
How to remove the power-on password . . . 33
How to remove the hard-disk password . . . 33
Power management . . . . . . . . . . . . 34
Screen blank mode . . . . . . . . . . . 34
Sleep mode . . . . . . . . . . . . . . 34
Hibernation mode . . . . . . . . . . . 34
Symptom-to-FRU index . . . . . . . . . . . 35
Numeric error codes . . . . . . . . . . 35
Error messages . . . . . . . . . . . . 37
No-beep symptoms . . . . . . . . . . . 37
LCD-related symptoms . . . . . . . . . 38
Intermittent problems . . . . . . . . . . 38
Undetermined problems . . . . . . . . . 39
Chapter 5. Status indicators . . . . . 41
Chapter 6. Special keys . . . . . . . . 43
Chapter 7. FRU replacement
notices . . . . . . . . . . . . . . . . 45
Screw notices . . . . . . . . . . . . . . . 45
Retaining serial numbers. . . . . . . . . . . 46
Restoring the serial number of the system
unit . . . . . . . . . . . . . . . . . 46
Retaining the UUID . . . . . . . . . . . 47
Reading or writing the ECA information . . . 47
Chapter 8. Removing and replacing a
FRU . . . . . . . . . . . . . . . . . . 49
1010 Battery pack . . . . . . . . . . . . . 50
1020 Bottom slot cover . . . . . . . . . . . 50
1030 DIMM . . . . . . . . . . . . . . . . 52
1040 Hard disk drive (HDD). . . . . . . . . . 53
1050 PCI Express Mini Card for wireless LAN . . 54
1060 PCI Express Mini Card for wireless WAN . . 55
1070 Keyboard . . . . . . . . . . . . . . 57
1080 Top case assembly and microphone
module . . . . . . . . . . . . . . . . . 59
1090 Backup battery . . . . . . . . . . . . 62
1100 Bluetooth daughter card (BDC-2) . . . . . 63
1110 Speaker assembly . . . . . . . . . . . 64
1120 System board and fan assembly . . . . . 66
1130 I/O card assembly, audio cable, and I/O
cable . . . . . . . . . . . . . . . . . . 73
1140 LCD unit . . . . . . . . . . . . . . . 75
1150 Base cover assembly and DC-in cable . . . 78
2010 LCD bezel assembly . . . . . . . . . . 80
2020 Integrated camera . . . . . . . . . . . 81
2030 LCD panel and LCD cable . . . . . . . . 82
2040 Hinge kit . . . . . . . . . . . . . . . 84
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