Table of Contents
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Contents
About this manual . . . . . . . . . . . . . . iii
Chapter 1. Safety information . . . . . . 1
General safety . . . . . . . . . . . . . . . .
Electrical safety . . . . . . . . . . . . . . .
Safety inspection guide . . . . . . . . . . . .
devices . . . . . . . . . . . . . . . . . .
Grounding requirements . . . . . . . . . . . .
Chapter 2. General information . . . . 27
Specifications . . . . . . . . . . . . . . .
. . . . . . . . . . . . .
7 operating system . . . . . . . . . . .
8.1 operating system . . . . . . . . . .
Lenovo Support Web site . . . . . . . . . .
Chapter 3. General checkout . . . . . 31
Problem determination tips . . . . . . . . . .
diagnostics . . . . . . . . . . . . . . 33
Basic troubleshooting . . . . . . . . . . . .
operating system. . . . . . . . . . . . . .
Troubleshooting procedure . . . . . . . . . .
Troubleshooting . . . . . . . . . . . . . .
Audio problems . . . . . . . . . . . .
CD problems . . . . . . . . . . . . .
DVD problems . . . . . . . . . . . . .
Intermittent problems . . . . . . . . . .
Hard disk drive problems . . . . . . . . .
problems . . . . . . . . . . . . . . .
Monitor problems. . . . . . . . . . . .
Networking problems . . . . . . . . . .
Option problems . . . . . . . . . . . .
Performance and lockup problems . . . . .
Printer problems . . . . . . . . . . . .
Serial connector problems . . . . . . . .
Software problems . . . . . . . . . . .
USB problems . . . . . . . . . . . . .
Diagnostics . . . . . . . . . . . . . . . .
Lenovo Solution Center . . . . . . . . .
program . . . . . . . . . . . . . . . . 53
Starting the Setup Utility program . . . . . . .
1
Viewing and changing settings . . . . . . . .
1
Using passwords. . . . . . . . . . . . . .
3
Password considerations . . . . . . . . .
Power-on password . . . . . . . . . . .
3
Administrator password . . . . . . . . .
4
4
CMOS) . . . . . . . . . . . . . . . .
27
Selecting a startup device . . . . . . . . . .
28
28
sequence . . . . . . . . . . . . . . .
Enabling ErP compliance mode . . . . . . . .
29
29
operating system. . . . . . . . . . . . . .
31
Hard disk drive boot error . . . . . . . . . .
Power supply problems . . . . . . . . . . .
Beep symptoms . . . . . . . . . . . . . .
33
POST error codes . . . . . . . . . . . . .
Miscellaneous error conditions . . . . . . . .
34
Undetermined problems . . . . . . . . . . .
34
35
Chapter 7. Locations . . . . . . . . . 65
35
37
the front of your computer . . . . . . . . . .
38
39
computer . . . . . . . . . . . . . . . . .
39
Locating major FRUs and CRUs . . . . . . . .
Looking up FRU information . . . . . . . . .
40
Locating parts on the system board . . . . . .
42
44
Chapter 8. Replacing FRUs . . . . . . 73
46
47
49
49
. . . . . . . . . . . . . . . .
50
monitor stand . . . . . . . . . . . . .
51
Removing the computer cover . . . . . . . .
51
51
shield . . . . . . . . . . . . . . . . . .
drive. . . . . . . . . . . . . . . . . . .
53
53
53
54
54
54
54
54
. . . . . . . .
55
55
56
56
56
57
. . . . . . .
57
59
59
59
60
61
63
65
66
68
70
71
73
73
74
75
76
77
79
i
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Table of Contents
Troubleshooting
