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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 . . . . . . . . .14
Important service information . . . . .17
Strategy for replacing FRUs . . . . . . . . .17
Strategy for replacing a hard disk drive . . . .18
Important notice for replacing a system board . .18
How to use error message . . . . . . . .18
Strategy for replacing FRUs for CTO, CMV, and
GAV . . . . . . . . . . . . . . . . .19
Product definition . . . . . . . . . . .19
FRU identification for CTO, CMV, and GAV
products . . . . . . . . . . . . . .19
Important information about replacing RoHS
compliant FRUs . . . . . . . . . . . . .21
General checkout . . . . . . . . . .23
What to do first . . . . . . . . . . . . .24
Checkout guide . . . . . . . . . . . . .25
Diagnostics using PC-Doctor for DOS . . . .26
PC-Doctor for Windows . . . . . . . . .28
PC-Doctor for Rescue and Recovery . . . . .28
Power system checkout . . . . . . . . . .29
Checking the ac adapter . . . . . . . . .29
Checking operational charging . . . . . . .30
Checking the battery pack . . . . . . . .30
Checking the backup battery . . . . . . .31
Related service information . . . . . .33
Restoring the factory contents by using Product
Recovery discs . . . . . . . . . . . . .33
Passwords . . . . . . . . . . . . . . .34
Power-on password . . . . . . . . . .34
Hard-disk password . . . . . . . . . .34
Supervisor password . . . . . . . . . .34
How to remove the power-on password . . . .35
How to remove the hard-disk password . . . .35
Power management . . . . . . . . . . .37
Screen blank mode . . . . . . . . . . .37
Standby mode . . . . . . . . . . . .37
Hibernation mode . . . . . . . . . . .38
Symptom-to-FRU index . . . . . . . . . .39
Numeric error codes . . . . . . . . . .39
Error messages . . . . . . . . . . . .43
Beep symptoms . . . . . . . . . . . .44
No-beep symptoms . . . . . . . . . . .44
LCD-related symptoms . . . . . . . . .45
Intermittent problems . . . . . . . . . .46
Undetermined problems . . . . . . . . .46
ThinkPad T400 and R400 . . . . . . .47
Specifications . . . . . . . . . . . . . .48
Status indicators . . . . . . . . . . . . .51
FRU tests . . . . . . . . . . . . . . .54
Fn key combinations . . . . . . . . . . .56
FRU replacement notices . . . . . . . . . .59
Screw notices . . . . . . . . . . . . .59
Retaining serial numbers . . . . . . . . .60
Removing and replacing a FRU . . . . . . . .63
1010 Battery pack . . . . . . . . . . .64
1020 Serial Ultrabay Slim device or Serial
Ultrabay Enhanced device . . . . . . . .65
1030 Hard disk drive (HDD) cover, HDD, and
HDD rubber rails or solid state drive (SSD) and
storage converter . . . . . . . . . . .67
1040 Palm rest or palm rest with fingerprint
reader . . . . . . . . . . . . . . .69
1050 DIMM . . . . . . . . . . . . .72
1060 Backup battery . . . . . . . . . .73
1070 Keyboard . . . . . . . . . . . .74
1080 Modem daughter card (MDC-3.0) . . . .76
1090 PCI Express Mini Card for wireless LAN . .78
1100 PCI Express Mini Card for wireless WAN 82
1110 Intel Turbo Memory Minicard or wireless
USB adapter . . . . . . . . . . . . .84
1120 SIM card slot . . . . . . . . . . .86
1130 Keyboard bezel . . . . . . . . . .88
1140 Speaker assembly . . . . . . . . .90
1150 Fan assembly . . . . . . . . . . .92
1160 CPU . . . . . . . . . . . . . .97
1170 LCD assembly . . . . . . . . . . .98
1180 Base cover, USB sub card with cable, and
PC Card/ExpressCard slots (or
ExpressCard/Smart Card slots or
ExpressCard/7-in-1 Media Card Reader slots)
bezel assembly . . . . . . . . . . . . 101
1190 Structure frame . . . . . . . . . . 107
1200 System board and PC Card/Express Card
slots (or ExpressCard/Smart Card slots or
ExpressCard/7-in-1 Media Card Reader slots)
bezel assembly . . . . . . . . . . . . 111
2010 LCD front bezel . . . . . . . . . .115
2020 LCD rear cover . . . . . . . . . .117
2030 Inverter card . . . . . . . . . . .118
2040 Bluetooth daughter card (BDC-2.1) . . .119
2050 LCD magnesium frame, hinge assembly,
and integrated camera . . . . . . . . . 120
2060 Antenna assembly . . . . . . . . . 123
2070 LCD panel and LCD cable . . . . . . 125
Locations . . . . . . . . . . . . . . . 127
© Copyright Lenovo 2008, 2009 iii