Table Of Contents - Lenovo ThinkPad T400s 2823 Hardware Maintenance Manual

Contents
About this manual . . . . . . . . . . v
Safety information . . . . . . . . . . 1
General safety . . . .
Electrical safety . . .
Safety inspection guide .
Handling devices that are sensitive to electrostatic
discharge . . . . .
Grounding requirements .
Safety notices (multilingual translations) .
Laser compliance statement (multilingual
translations) . . . .
Important service information . . . . . 39
Strategy for replacing FRUs .
Strategy for replacing a hard disk drive .
Important notice for replacing a system board .
How to use error message
Strategy for replacing FRUs for CTO, CMV, and
GAV. . . . . . .
Product definition .
FRU identification for CTO, CMV, and GAV
products . . . .
General checkout . . . . . . . . . . 43
What to do first . . .
Checkout guide . . .
Diagnostics using PC-Doctor for DOS
Lenovo System Toolbox .
PC-Doctor for Rescue and Recovery .
FRU tests . . . .
Power system checkout .
Checking the AC adapter .
Checking operational charging .
Checking the battery pack
Checking the backup battery
Related service information . . . . . . 55
Restoring the factory contents by using Product
Recovery discs . . .
Passwords . . . . .
Power-on password
Hard-disk password
Supervisor password .
How to remove the power-on password .
How to remove the hard-disk password .
Power management .
Screen blank mode .
Standby mode . .
Hibernation mode .
Symptom-to-FRU index .
Numeric error codes .
Error messages . .
Beep symptoms . .
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No-beep symptoms .
LCD-related symptoms
Intermittent problems .
Undetermined problems .
. 2
. 3
Specifications. . . . . . . . . . . . 69
. 5
Status indicators . . . . . . . . . . 71
. 6
. 6
. 7
Fn key combinations
. 28
FRU replacement notices . . . . . . . 77
Screw notices .
Retaining serial numbers .
. 39
Restoring the serial number of the system unit
. 40
Retaining the UUID
. 40
Reading or writing the ECA information
. 40
Removing and replacing a FRU . . . . 81
. 41
Before servicing ThinkPad T400s .
. 41
1010 Battery pack .
1020 Ultrabay Slim Media Bay device or travel bezel 84
. 41
1030 Solid state drive (SSD) or hard disk drive
(HDD) . . .
1040 DIMM .
. 44
1050 PCI Express Mini Card for wireless LAN .
. 45
1060 PCI Express Mini Card for wireless WAN
. 45
1070 Keyboard .
. 48
1080 Backup battery .
. 48
1090 Wireless USB adapter or Intel Turbo Memory
. 48
1100 Palm rest or palm rest with fingerprint reader 103
. 51
1110 Bluetooth daughter card (BDC-2) .
. 51
1120 Keyboard bezel and speaker assembly .
. 52
1130 5-in-1 Media Card Reader adapter.
. 52
1140 Bluetooth-wireless radio switch FPC .
. 53
1150 LCD unit .
1160 System board, fan assembly, and 34-mm
ExpressCard slot frame .
1170 I/O sub card and base cover assembly .
. 55
2010 LCD bezel assembly .
. 56
2020 LCD latch L and R .
. 56
2030 Integrated camera or microphone sub card
. 56
2040 LED sub card
. 56
2050 LCD panel
. 57
2060 LCD cable.
. 57
2070 Hinge kit .
. 59
2080 LED cable .
. 59
2090 Antenna kit and LCD rear cover assembly
. 59
. 60
Locations . . . . . . . . . . . . . 141
. 61
Front view . .
. 61
Rear view . .
. 65
Bottom view. .
. 66
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139
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