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Contents
About this manual. . . . . . . . . . . iii
Chapter 1. Safety information . . . . . 1
General safety . . . . . . . . . . . . . . . . 1
Electrical safety . . . . . . . . . . . . . . . 2
Safety inspection guide . . . . . . . . . . . . 3
Handling devices that are sensitive to electrostatic
discharge. . . . . . . . . . . . . . . . . . 3
Grounding requirements . . . . . . . . . . . . 4
Safety notices (multilingual translations). . . . . . 4
Laser compliance statement (multilingual
translations). . . . . . . . . . . . . . . . 21
Chapter 2. Important service
information . . . . . . . . . . . . . . 31
Strategy for replacing FRUs . . . . . . . . . 31
Strategy for replacing a hard disk drive . . . 32
Important notice for replacing a system
board . . . . . . . . . . . . . . . . 32
How to use error message . . . . . . . . 32
Strategy for replacing FRUs for CTO, CMV, and
GAV . . . . . . . . . . . . . . . . . . . 32
Product denition. . . . . . . . . . . . 32
FRU identication for CTO, CMV, and GAV
products . . . . . . . . . . . . . . . 33
Chapter 3. General checkout . . . . . 35
What to do rst . . . . . . . . . . . . . . 35
Checkout guide . . . . . . . . . . . . . . 36
Diagnostics using PC-Doctor for DOS. . . . 36
Lenovo ThinkVantage Toolbox (Lenovo System
Toolbox) . . . . . . . . . . . . . . . 39
PC-Doctor for Rescue and Recovery . . . . 40
FRU tests . . . . . . . . . . . . . . . 40
Power system checkout . . . . . . . . . . . 41
Checking the AC adapter. . . . . . . . . 41
Checking operational charging . . . . . . 42
Checking the battery pack . . . . . . . . 42
Checking the backup battery . . . . . . . 43
Chapter 4. Related service
information . . . . . . . . . . . . . . 45
Restoring the factory contents by using Product
Recovery discs . . . . . . . . . . . . . . 45
Restoring the factory contents by using Recovery
Disc Set . . . . . . . . . . . . . . . . . 45
Passwords . . . . . . . . . . . . . . . . 47
Power-on password. . . . . . . . . . . 47
Hard-disk password. . . . . . . . . . . 47
Supervisor password . . . . . . . . . . 47
How to remove the power-on password . . . 47
How to remove the hard-disk password . . . 48
Power management . . . . . . . . . . . . 48
Screen blank mode . . . . . . . . . . . 49
Sleep (standby) mode . . . . . . . . . . 49
Hibernation mode . . . . . . . . . . . 49
Symptom-to-FRU index . . . . . . . . . . . 50
Numeric error codes . . . . . . . . . . 51
Error messages . . . . . . . . . . . . 55
Beep symptoms . . . . . . . . . . . . 56
No-beep symptoms . . . . . . . . . . . 57
LCD-related symptoms . . . . . . . . . 57
Intermittent problems . . . . . . . . . . 58
Undetermined problems . . . . . . . . . 58
Chapter 5. Status indicators . . . . . 61
Chapter 6. Fn key combinations . . . 65
Chapter 7. FRU replacement
notices . . . . . . . . . . . . . . . . 69
Screw notices . . . . . . . . . . . . . . . 69
Retaining serial numbers. . . . . . . . . . . 70
Restoring the serial number of the system
unit . . . . . . . . . . . . . . . . . 70
Retaining the UUID . . . . . . . . . . . 71
Reading or writing the ECA information . . . 71
Chapter 8. Removing and replacing a
FRU . . . . . . . . . . . . . . . . . . 73
Before servicing ThinkPad T400s, T410s, and
T410si . . . . . . . . . . . . . . . . . . 74
1010 Battery pack . . . . . . . . . . . . . 75
1020 Serial Ultrabay Slim device or travel bezel. . 75
1030 Solid state drive (SSD) or hard disk drive
(HDD) . . . . . . . . . . . . . . . . . . 76
1040 DIMM . . . . . . . . . . . . . . . . 78
1050 PCI Express Mini Card for wireless LAN . . 80
1060 PCI Express Mini Card for wireless WAN . . 83
1070 Keyboard . . . . . . . . . . . . . . 85
1080 Backup battery . . . . . . . . . . . . 89
1090 Wireless USB adapter or Intel Turbo
Memory . . . . . . . . . . . . . . . . . 90
1100 Palm rest or palm rest with ngerprint
reader . . . . . . . . . . . . . . . . . . 91
1110 Bluetooth daughter card (BDC-2) . . . . . 93
1120 Keyboard bezel and speaker assembly . . . 94
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