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 Windows .
.
.
.
.
.
.
.
. 48
PC-Doctor for Rescue and Recovery .
.
.
.
. 49
FRU tests .
.
.
.
.
.
.
.
.
.
.
.
.
. 50
Power system checkout .
.
.
.
.
.
.
.
.
. 52
Checking the AC adapter .
.
.
.
.
.
.
.
. 52
Checking operational charging .
.
.
.
.
.
. 53
Checking the battery pack
.
.
.
.
.
.
.
. 53
Checking the backup battery
.
.
.
.
.
.
. 54
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
1010 Battery pack .
.
.
.
.
.
.
.
.
.
.
. 84
1020 Serial Ultrabay Slim device or Serial Ultrabay
Enhanced device
.
.
.
.
.
.
.
.
.
.
.
. 85
1030 Hard disk drive (HDD) cover, HDD, and HDD
rubber rails or solid state drive (SSD) and storage
converter .
.
.
.
.
.
.
.
.
.
.
.
.
.
. 86
1040 Palm rest or palm rest with fingerprint reader
88
1050 DIMM .
.
.
.
.
.
.
.
.
.
.
.
.
. 91
1060 Backup battery
.
.
.
.
.
.
.
.
.
.
. 92
1070 Keyboard .
.
.
.
.
.
.
.
.
.
.
.
. 93
1080 Modem daughter card (MDC-3.0) .
.
.
.
. 95
1090 PCI Express Mini Card for wireless
LAN/WiMAX
.
.
.
.
.
.
.
.
.
.
.
.
. 97
1100 PCI Express Mini Card for wireless WAN .
. 100
1110 Intel Turbo Memory Minicard or Wireless USB
PCI Express Half-Mini Card
.
.
.
.
.
.
.
. 102
1120 SIM card slot .
.
.
.
.
.
.
.
.
.
.
. 104
1130 Keyboard bezel .
.
.
.
.
.
.
.
.
.
. 106
1140 Speaker assembly .
.
.
.
.
.
.
.
.
. 108
1150 Fan assembly .
.
.
.
.
.
.
.
.
.
.
. 110
1160 CPU .
.
.
.
.
.
.
.
.
.
.
.
.
.
. 115
1170 LCD assembly .
.
.
.
.
.
.
.
.
.
. 116
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 .
.
.
.
.
.
.
. 119
1190 Structure frame .
.
.
.
.
.
.
.
.
.
. 125
1200 System board and PC Card/Express Card
slots (or ExpressCard/Smart Card slots or
ExpressCard/7-in-1 Media Card Reader slots)
assembly .
.
.
.
.
.
.
.
.
.
.
.
.
.
. 129
2010 LCD front bezel .
.
.
.
.
.
.
.
.
.
. 133
2020 LCD rear cover .
.
.
.
.
.
.
.
.
.
. 135
2030 Inverter card or LED sub card .
.
.
.
.
. 136
iii
© Copyright Lenovo 2008, 2011
Summary of Contents for 2765A54
Page 1: ...ThinkPad T400 and R400 Hardware Maintenance Manual ...
Page 2: ......
Page 3: ...ThinkPad T400 and R400 Hardware Maintenance Manual ...
Page 8: ...vi ThinkPad T400 and R400 Hardware Maintenance Manual ...
Page 18: ...10 ThinkPad T400 and R400 Hardware Maintenance Manual ...
Page 19: ...Safety information 11 ...
Page 26: ...18 ThinkPad T400 and R400 Hardware Maintenance Manual ...
Page 27: ...Safety information 19 ...
Page 28: ...20 ThinkPad T400 and R400 Hardware Maintenance Manual ...
Page 29: ...Safety information 21 ...
Page 30: ...22 ThinkPad T400 and R400 Hardware Maintenance Manual ...
Page 31: ...Safety information 23 ...
Page 34: ...26 ThinkPad T400 and R400 Hardware Maintenance Manual ...
Page 35: ...Safety information 27 ...
Page 37: ...Safety information 29 ...
Page 41: ...Safety information 33 ...
Page 42: ...34 ThinkPad T400 and R400 Hardware Maintenance Manual ...
Page 43: ...Safety information 35 ...
Page 45: ...Safety information 37 ...
Page 46: ...38 ThinkPad T400 and R400 Hardware Maintenance Manual ...
Page 78: ...70 ThinkPad T400 and R400 Hardware Maintenance Manual ...
Page 82: ...74 ThinkPad T400 and R400 Hardware Maintenance Manual ...
Page 86: ...78 ThinkPad T400 and R400 Hardware Maintenance Manual ...
Page 90: ...82 ThinkPad T400 and R400 Hardware Maintenance Manual ...
Page 156: ...148 ThinkPad T400 and R400 Hardware Maintenance Manual ...
Page 385: ......
Page 386: ...Part Number 43Y6629_05 1P P N 43Y6629_05 43Y6629_05 ...