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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 .......52
Checking the battery pack ........52
Checking the backup battery .......53
Related service information......55
Restoring the factory contents by using Product
Recovery discs .............55
Restoring the factory contents by using Recovery
Disc Set ...............56
Passwords...............57
Power-on password ..........57
Hard-disk password ..........57
Supervisor password ..........58
How to remove the power-on password ....58
How to remove the hard-disk password ....59
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 ............66
Beep symptoms ............67
No-beep symptoms...........67
LCD-related symptoms .........68
Intermittent problems ..........69
Undetermined problems .........69
Status indicators ..........71
Fn key combinations ........75
FRU replacement notices.......79
Screw notices ..............79
Retaining serial numbers ..........80
Restoring the serial number of the system unit 80
Retaining the UUID ..........80
Reading or writing the ECA information . . . 81
Removing and replacing a FRU ....83
Before servicing ThinkPad T400s, T410s, and T410si 84
1010 Battery pack ............85
1020 Serial Ultrabay Slim device or travel bezel . . 86
1030 Solid state drive (SSD) or hard disk drive
(HDD) ................87
1040 DIMM ..............89
1050 PCI Express Mini Card for wireless LAN. . . 92
1060 PCI Express Mini Card for wireless WAN . . 95
1070 Keyboard .............98
1080 Backup battery ...........103
1090 Wireless USB adapter or Intel Turbo Memory 104
1100 Palm rest or palm rest with fingerprint reader 106
1110 Bluetooth daughter card (BDC-2) .....108
1120 Keyboard bezel and speaker assembly . . . 109
1130 5-in-1 Media Card Reader adapter.....113
1140 Bluetooth–wireless radio switch FPC ....114
1150 LCD unit .............116
1160 System board, fan assembly, and 34-mm
ExpressCard slot frame ..........120
1170 I/O sub card and base cover assembly . . . 128
2010 LCD bezel assembly .........130
2020 LCD latch L and R ..........132
2030 Integrated camera or microphone sub card 133
2040 LED sub card ...........135
2050 LCD panel ............137
2060 LCD cable.............140
2070 Hinge kit .............141
2080 LED cable.............143
2090 Antenna kit and LCD rear cover assembly 145
Locations .............147
Front view ..............147
Rear view ..............148
Bottom view..............149
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