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Contents
About this manual . . . . . . . . . . . . . . iii
Chapter 1. Safety information . . . . . . 1
General safety . . . . . . . . . . . . . . . .
Electrical safety . . . . . . . . . . . . . . .
Voltage-selection switch . . . . . . . . . . . .
Safety inspection guide . . . . . . . . . . . .
devices . . . . . . . . . . . . . . . . . .
Grounding requirements . . . . . . . . . . . .
Chapter 2. General information . . . . 27
Specifications . . . . . . . . . . . . . . .
Lenovo Support Web site . . . . . . . . . .
Chapter 3. General checkout . . . . . 29
Problem determination tips . . . . . . . . . .
diagnostics . . . . . . . . . . . . . . 31
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 port problems. . . . . . . . . . .
Software problems . . . . . . . . . . .
USB problems . . . . . . . . . . . . .
Diagnostics . . . . . . . . . . . . . . . .
Lenovo Solution Center . . . . . . . . .
program . . . . . . . . . . . . . . . . 49
Starting the Setup Utility program . . . . . . .
Viewing and changing settings . . . . . . . .
Using passwords. . . . . . . . . . . . . .
Password considerations . . . . . . . . .
Administrator Password . . . . . . . . .
1
Hard Disk Password. . . . . . . . . . .
1
3
3
CMOS) . . . . . . . . . . . . . . . .
4
Selecting a startup device . . . . . . . . . .
4
4
sequence . . . . . . . . . . . . . . .
Enabling ErP compliance mode . . . . . . . .
27
28
operating system. . . . . . . . . . . . . .
29
Hard disk drive boot error . . . . . . . . . .
Power supply problems . . . . . . . . . . .
Beep symptoms . . . . . . . . . . . . . .
31
POST error codes . . . . . . . . . . . . .
Miscellaneous error messages . . . . . . . .
32
Undetermined problems . . . . . . . . . . .
32
32
Chapter 7. Locations . . . . . . . . . 61
33
34
the front of your computer . . . . . . . . . .
35
computer . . . . . . . . . . . . . . . . .
36
Locating major FRUs . . . . . . . . . . . .
37
Locating parts on the system board . . . . . .
37
Locating internal drives . . . . . . . . . . .
39
Chapter 8. Replacing FRUs . . . . . . 69
40
Handling static-sensitive devices . . . . . . .
43
Installing or replacing hardware . . . . . . . .
43
Removing the computer cover. . . . . . .
45
45
46
Replacing the thermal sensor . . . . . . .
46
47
assembly . . . . . . . . . . . . . . .
47
Replacing the optical drive . . . . . . . .
Replacing the system fan. . . . . . . . .
Installing or replacing a PCI card . . . . . .
49
Replacing the battery . . . . . . . . . .
49
49
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50
50
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51
51
52
52
52
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53
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55
55
56
58
59
61
62
63
66
67
69
69
69
70
72
74
76
77
79
81
82
85
86
i
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Table of Contents
Troubleshooting
