Table Of Contents - Lenovo THINKCENTRE 4215 Hardware Maintenance Manual

Lenovo laptop user manual
Table of Contents

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Contents
Important Safety Information . . . . . . . . . .
compliant FRUs . . . . . . . . . . . . . . .
General safety . . . . . . . . . . . . . . . .
Electrical safety . . . . . . . . . . . . . . .
Voltage-selection switch . . . . . . . . . . . .
Safety inspection guide . . . . . . . . . . . .
devices . . . . . . . . . . . . . . . . . .
Grounding requirements . . . . . . . . . . . .
Online Books folder. . . . . . . . . . . . .
Lenovo Welcome. . . . . . . . . . . . . .
Specifications . . . . . . . . . . . . . . .
Problem determination tips . . . . . . . . . .
Chapter 5. Diagnostics . . . . . . . . 33
Lenovo System Toolbox . . . . . . . . . . .
PC-Doctor for DOS . . . . . . . . . . . . .
diagnostic disc . . . . . . . . . . . . .
programs . . . . . . . . . . . . . . .
Running tests . . . . . . . . . . . . .
Viewing the test log . . . . . . . . . . .
program . . . . . . . . . . . . . . . . 39
Using passwords. . . . . . . . . . . . . .
Password considerations . . . . . . . . .
Administrator Password . . . . . . . . .
Hard Disk Password. . . . . . . . . . .
© Copyright Lenovo 2010, 2011
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1
Selecting a startup device . . . . . . . . . .
1
sequence . . . . . . . . . . . . . . .
Advanced settings . . . . . . . . . . . . .
3
3
5
5
RAID Level . . . . . . . . . . . . . . . .
6
functionality . . . . . . . . . . . . . . . .
6
Creating RAID volumes . . . . . . . . . . .
6
Deleting RAID volumes . . . . . . . . . . .
29
Hard disk drive boot error . . . . . . . . . .
29
Power Supply Problems . . . . . . . . . . .
29
Diagnostic error codes . . . . . . . . . . .
29
Beep symptoms . . . . . . . . . . . . . .
30
POST error codes . . . . . . . . . . . . .
Undetermined problems . . . . . . . . . . .
31
Locations. . . . . . . . . . . . . . . . .
33
33
computer . . . . . . . . . . . . . . .
34
computer . . . . . . . . . . . . . . .
34
Locating components . . . . . . . . . .
34
34
Locating internal drives . . . . . . . . .
35
35
36
Replacing the battery . . . . . . . . . . . .
39
39
39
Replacing the system board . . . . . . . . .
39
40
40
Replacing the card reader . . . . . . . . . .
40
40
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40
41
41
41
41
41
43
43
43
44
45
45
46
63
64
65
67
69
69
69
70
71
72
73
74
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75
78
80
82
83
85
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86
88
91
93
95
96
98
iii

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