Table of Contents
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Contents
Chapter 1. About this manual . . . . . . 1
Important Safety Information . . . . . . . . . .
Chapter 2. Safety information . . . . . . 3
General safety . . . . . . . . . . . . . . . .
Electrical safety . . . . . . . . . . . . . . .
Safety inspection guide . . . . . . . . . . . .
devices . . . . . . . . . . . . . . . . . .
Grounding requirements . . . . . . . . . . . .
Chapter 3. General information . . . . 29
Specifications . . . . . . . . . . . . . . .
Lenovo Support Web site . . . . . . . . . .
Chapter 4. General Checkout . . . . . 31
Problem determination tips . . . . . . . . . .
diagnostics . . . . . . . . . . . . . . 33
Basic troubleshooting . . . . . . . . . . . .
operating system. . . . . . . . . . . . . .
Troubleshooting procedure . . . . . . . . . .
Troubleshooting . . . . . . . . . . . . . .
Audio problems . . . . . . . . . . . .
CD problems . . . . . . . . . . . . .
DVD problems . . . . . . . . . . . . .
Intermittent problems . . . . . . . . . .
problems . . . . . . . . . . . . . . .
Monitor problems. . . . . . . . . . . .
Networking problems . . . . . . . . . .
Option problems . . . . . . . . . . . .
Performance and lockup problems . . . . .
Printer problems . . . . . . . . . . . .
Serial port problems. . . . . . . . . . .
Software problems . . . . . . . . . . .
USB problems . . . . . . . . . . . . .
program . . . . . . . . . . . . . . . . 51
Starting the Setup Utility program . . . . . . .
Viewing and changing settings . . . . . . . .
Using passwords. . . . . . . . . . . . . .
Password considerations . . . . . . . . .
© Copyright Lenovo 2013
. . . . . . . . . .
Administrator Password . . . . . . . . .
1
Selecting a startup device . . . . . . . . . .
3
3
5
sequence . . . . . . . . . . . . . . .
5
operating system. . . . . . . . . . . . . .
6
6
Hard disk drive boot error . . . . . . . . . .
29
Power Supply Problems . . . . . . . . . . .
29
Beep symptoms . . . . . . . . . . . . . .
POST error codes . . . . . . . . . . . . .
Miscellaneous error conditions . . . . . . . .
31
Undetermined problems . . . . . . . . . . .
Chapter 8. Locations . . . . . . . . . 61
33
the front of your computer . . . . . . . . . .
34
the rear of your computer . . . . . . . . . .
34
Locating major FRUs and CRUs . . . . . . . .
35
Looking up FRU information . . . . . . . . .
35
Locating parts on the system board . . . . . .
37
Chapter 9. Replacing FRUs . . . . . . 67
38
39
cover . . . . . . . . . . . . . . . . . .
39
Removing the computer cover . . . . . . . .
41
43
. . . . . . . . . . . . . . . . .
45
Replacing the hard disk drive . . . . . . . . .
46
Replacing the optical drive . . . . . . . . . .
48
48
shield . . . . . . . . . . . . . . . . . .
49
Replacing the microprocessor fan . . . . . . .
50
Replacing the heat sink assembly . . . . . . .
Replacing the battery . . . . . . . . . . . .
Replacing the inverter . . . . . . . . . . . .
51
51
Replacing the internal speakers . . . . . . . .
51
51
Replacing the system board . . . . . . . . .
52
52
52
. . . . . . . .
52
53
53
53
53
. . . . . . .
54
55
55
55
56
57
59
61
62
63
65
66
67
68
71
71
72
74
76
77
78
. . . . . . . .
80
83
84
85
87
. . . . . . .
88
89
iii
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Table of Contents
Troubleshooting
