Table Of Contents - Lenovo ThinkCentre Hardware Maintenance Manual

Machine types: 3025, 3034, 3131, 3142, 3244, 3257, 3307, 3356, 3467, 3357, 3692, 3853, 4394, 5092, 5226, 5296, 6667, and 6673
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Contents
Important safety information . . . . . . . . . .
compliant FRUs . . . . . . . . . . . . . . .
General safety . . . . . . . . . . . . . . . .
Electrical safety . . . . . . . . . . . . . . .
Voltage-selection switch . . . . . . . . . . . .
Safety inspection guide . . . . . . . . . . . .
devices . . . . . . . . . . . . . . . . . .
Grounding requirements . . . . . . . . . . . .
Specifications . . . . . . . . . . . . . . .
Problem determination tips . . . . . . . . . .
Chapter 5. Diagnostics . . . . . . . . 35
Lenovo System Toolbox . . . . . . . . . . .
PC-Doctor for DOS . . . . . . . . . . . . .
diagnostic disc . . . . . . . . . . . . .
programs . . . . . . . . . . . . . . .
Running tests . . . . . . . . . . . . .
Viewing the test log . . . . . . . . . . .
Using passwords. . . . . . . . . . . . . .
Password considerations . . . . . . . . .
Administrator Password . . . . . . . . .
Hard Disk Password. . . . . . . . . . .
Selecting a startup device . . . . . . . . . .
© Copyright Lenovo 2010,
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1
sequence . . . . . . . . . . . . . . .
1
3
Hard disk drive boot error . . . . . . . . . .
3
Diagnostic error codes . . . . . . . . . . .
5
Beep symptoms . . . . . . . . . . . . . .
5
POST error codes . . . . . . . . . . . . .
6
Undetermined problems . . . . . . . . . . .
6
6
Locations. . . . . . . . . . . . . . . . .
29
computer . . . . . . . . . . . . . . .
29
computer . . . . . . . . . . . . . . .
29
Locating components . . . . . . . . . .
31
Opening the computer cover . . . . . . . . .
32
Replacing a memory module . . . . . . . . .
Replacing the battery . . . . . . . . . . . .
35
35
Replacing the heat sink . . . . . . . . . . .
35
36
Replacing the system board . . . . . . . . .
36
Replacing the system fan . . . . . . . . . .
36
37
Replacing the optical drive . . . . . . . . . .
37
38
Chapter 9. FRU lists . . . . . . . . . 89
39
39
3307, 3356, 3467, 3357, 3692, 3853, 4394, 5092,
39
5226, 5296, 6667, and 6673 . . . . . . . . .
39
Mechanical FRUs . . . . . . . . . . . . .
40
Keyboard and Mouse . . . . . . . . . . . .
40
40
Power Cords . . . . . . . . . . . . . . .
40
Recovery discs . . . . . . . . . . . . . .
40
41
CD . . . . . . . . . . . . . . . . .
41
41
41
43
43
59
59
61
62
65
65
65
66
67
68
69
70
71
. .
72
73
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75
76
78
80
82
82
85
86
87
89
103
110
144
147
157
157
iii

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