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- page 26
Models:
276583U
2808DLU
647343U
R400
T400
1
26
386
386
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386 pages, 7.69 Mb
18
ThinkPad T400 and R400 HardwareMaintenance Manual
Contents
Main
Page
Page
Page
Contents
About this manual ..........v Safety information ..........1
Important service information.....39
General checkout ..........43
Related service information......55
Locations .............145
Parts list .............149
iv
Notices ..............375
About this manual
v
Page
Safety information
General safety
2
Electrical safety
4
Safety inspection guide
Handling devices that are sensitive to electrostatic discharge
Grounding requirements
6
Safety notices (multilingual translations)
8
Page
Page
Page
12
Page
14
Page
16
Page
Page
Page
Page
Page
Page
Page
24
Page
Page
Page
Laser compliance statement (multilingual translations)
28
Page
30
Page
32
Page
Page
Page
36
Page
Page
Important service information
Strategy for replacing FRUs
Strategy for replacing a hard disk drive
Important notice for replacing a system board
40
How to use error message
Strategy for replacing FRUs for CTO, CMV, and GAV Product definition
Dynamic Configure To Order (CTO)
Custom Model Variant (CMV)
General Announce Variant (GAV)
FRU identification for CTO, CMV, and GAV products
Using eSupport
Using the HMM
42
General checkout
What to do first
44
Checkout guide
Diagnostics using PC-Doctor for DOS
Testing the computer
46
Detecting system information with PC-Doctor
Lenovo ThinkVantage Toolbox (Lenovo System Toolbox)
PC-Doctor for Windows
48
PC-Doctor for Rescue and Recovery
FRU tests
The following table shows the test for each FRU.
50
Page
Power system checkout
Checking the AC adapter
52
Checking operational charging
Checking the battery pack
Checking the backup battery
54
Related service information
Restoring the factory contents by using Product Recovery discs
Restoring the factory contents by using Recovery Disc Set
56
Passwords
Power-on password
Hard-disk password
Supervisor password
How to remove the power-on password
58
How to remove the hard-disk password
Power management
Screen blank mode
60
Sleep (Standby) mode
Hibernation mode
Symptom-to-FRU index
Numeric error codes
62
Page
64
Page
Error messages
66
Beep symptoms
No-beep symptoms
LCD-related symptoms
68
Intermittent problems
Undetermined problems
Page
Page
72
Page
Page
Fn key combinations
The following table shows the function of each combination of Fn with a function key.
76
Page
Page
FRU replacement notices
Screw notices
Retaining serial numbers
Restoring the serial number of the system unit
80
Retaining the UUID
Reading or writing the ECA information
Page
Removing and replacing a FRU
1010 Battery pack
84
1020 Serial Ultrabay Slim device or Serial Ultrabay Enhanced device
86
Page
1040 Palm rest or palm rest with fingerprint reader
88
Page
Page
1050 DIMM
1060 Backup battery
92
1070 Keyboard
Page
1080 Modem daughter card (MDC-3.0)
Page
1090 PCI Express Mini Card for wireless LAN/WiMAX
98
Page
Page
Page
1110 Intel Turbo Memory Minicard or Wireless USB PCI Express Half-Mini Card
102
Page
1120 SIM card slot
104
Page
1130 Keyboard bezel
106
Page
1140 Speaker assembly
108
Page
1150 Fan assembly
110
Page
112
Page
114
1160 CPU
1170 LCD assembly
116
Page
118
Page
120
Page
122
Page
124
1190 Structure frame
126
Page
128
Page
130
Page
132
2010 LCD front bezel
134
2020 LCD rear cover
2030 Inverter card or LED sub card
136
2040 Bluetooth daughter card (BDC-2.1)
2050 LCD magnesium frame, hinge assembly, and integrated camera
138
Page
140
2060 Antenna assembly
142
2070 LCD panel and LCD cable
144
Locations
Front view
Rear view
146
Bottom view
Page
Parts list
Overall
150
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152
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154
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156
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158
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160
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162
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166
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168
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170
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264
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272
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LCD FRUs
278
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282
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284
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286
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328
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334
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336
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338
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340
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342
Page
344
Page
346
Page
Keyboard
348
Page
Miscellaneous parts
350
Page
AC adapters
352
Power cords
Recovery discs Windows XP Professional (32 bit) DVDs
354
Page
Windows Vista Starter (32 bit) recovery DVDs
356
Windows Vista Home Basic (32 bit) recovery DVDs
358
Windows Vista Home Premium (32 bit) recovery DVDs
360
Windows Vista Business (32 bit) recovery DVDs
362
Windows Vista Business (64 bit) recovery DVDs
Windows Vista Ultimate (32 bit) recovery DVDs
364
Page
Windows 7 Home Basic (32 bit) DVDs
366
Windows 7 Home Premium (32 bit) DVDs
368
Windows 7 Home Premium (64 bit) DVDs
Windows Professional (32 bit) DVDs
370
Page
Windows Professional (64 bit) DVDs
372
Page
Common service tools
374
Notices
Trademarks
376
