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Lenovo T400S User Manual Page 35
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Safety
information
27
1
...
34
35
36
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230
Hard ware Maintenan ce Manual
1
Contents
5
Parts list .............151
6
Notices ..............219
6
About this manual
7
Safety information
9
General safety
10
Electrical safety
11
Safety inspection guide
13
Grounding requirements
14
Safety information 7
15
Safety information 9
17
Safety information 11
19
Safety information 13
21
Safety information 15
23
Safety information 17
25
Safety information 19
27
Safety information 21
29
Safety information 23
31
Safety information 25
33
Safety information 27
35
Safety information 29
37
Safety information 31
39
Safety information 33
41
Safety information 35
43
Safety information 37
45
Important service information
47
How to use error message
48
Product definition
49
Using eSupport
50
Using the HMM
50
General checkout
51
What to do first
52
Checkout guide
53
Testing the computer
54
General checkout 47
55
FRU tests
57
Power system checkout
59
Checking the AC adapter
59
Checking operational charging
60
Checking the battery pack
60
Checking the backup battery
61
Related service information
63
Passwords
65
Power-on password
65
Hard-disk password
65
Supervisor password
66
Power management
68
Screen blank mode
68
Sleep (standby) mode
68
Hibernation mode
69
Symptom-to-FRU index
70
Numeric error codes
70
Error messages
74
Beep symptoms
75
No-beep symptoms
75
LCD-related symptoms
76
Intermittent problems
77
Undetermined problems
77
Status indicators
79
Status indicators 73
81
Fn key combinations
83
Fn key combinations 77
85
FRU replacement notices
87
Retaining serial numbers
88
Retaining the UUID
88
FRU replacement notices 81
89
Removing and replacing a FRU
91
1010 Battery pack
93
For access, remove this FRU:
94
1040 DIMM
97
For ThinkPad T400s:
98
1070 Keyboard
106
(1.85 kgfcm)
107
1080 Backup battery
111
1150 LCD unit
124
2010 LCD bezel assembly
138
2020 LCD latch L and R
140
2040 LED sub card
143
2050 LCD panel
145
2060 LCD cable
148
2070 Hinge kit
149
2080 LED cable
151
Locations
155
Rear view
156
Bottom view
157
Parts list
159
Parts list 153
161
Parts list 155
163
Parts list 157
165
Parts list 159
167
Parts list 161
169
Parts list 163
171
Parts list 165
173
Parts list 167
175
Parts list 169
177
Parts list 171
179
Parts list 173
181
Parts list 175
183
LCD FRUs
185
Parts list 179
187
Parts list 181
189
Parts list 183
191
Parts list 185
193
Parts list 187
195
Parts list 189
197
Keyboard
199
Miscellaneous parts
200
Parts list 193
201
AC adapters
203
Power cords
204
Recovery discs
205
Language P/N CRU
207
English (for India) 58Y2097 *
207
Parts list 201
209
Parts list 203
211
Parts list 205
213
Parts list 207
215
Parts list 209
217
Parts list 211
219
Parts list 213
221
Parts list 215
223
Common service tools
225
Trademarks
228
Part Number: 45M2271_03
230
(1P) P/N: 45M2271_03
230
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