Contents
Chapter 1. About this manual . . . . . . 1
Important Safety Information . . . . . . . . . .
1
Chapter 2. Safety information . . . . . . 3
General safety . . . . . . . . . . . . . . . .
3
Electrical safety . . . . . . . . . . . . . . .
3
Safety inspection guide . . . . . . . . . . . .
5
Handling electrostatic discharge-sensitive
devices
. . . . . . . . . . . . . . . . . .
5
Grounding requirements . . . . . . . . . . . .
6
Safety notices (multi-lingual translations) . . . . .
6
Chapter 3. General information . . . .
29
Specifications . . . . . . . . . . . . . . .
29
Lenovo programs
. . . . . . . . . . . . .
29
Accessing Lenovo programs on the Windows
7 operating system . . . . . . . . . . .
30
Accessing Lenovo programs on the Windows
8 operating system . . . . . . . . . . .
31
Additional information resources
. . . . . . .
31
Chapter 4. General Checkout . . . . .
33
Problem determination tips . . . . . . . . . .
33
Chapter 5. Troubleshooting and
diagnostics . . . . . . . . . . . . . .
35
Basic troubleshooting . . . . . . . . . . . .
35
Accessing Control Panel on the Windows 8
operating system. . . . . . . . . . . . . .
36
Troubleshooting procedure . . . . . . . . . .
36
Troubleshooting . . . . . . . . . . . . . .
37
Audio problems . . . . . . . . . . . .
38
CD problems . . . . . . . . . . . . .
39
DVD problems . . . . . . . . . . . . .
40
Intermittent problems . . . . . . . . . .
41
Keyboard, mouse, or pointing device
problems . . . . . . . . . . . . . . .
41
Monitor problems. . . . . . . . . . . .
43
Networking problems . . . . . . . . . .
45
Option problems . . . . . . . . . . . .
48
Performance and lockup problems . . . . .
48
Printer problems . . . . . . . . . . . .
50
Serial port problems. . . . . . . . . . .
50
Software problems . . . . . . . . . . .
51
USB problems . . . . . . . . . . . . .
52
Diagnostics . . . . . . . . . . . . . . . .
52
Lenovo Solution Center . . . . . . . . .
52
Chapter 6. Using the Setup Utility
program . . . . . . . . . . . . . . . .
55
Starting the Setup Utility program . . . . . . .
55
Viewing and changing settings . . . . . . . .
55
Using passwords. . . . . . . . . . . . . .
55
Password considerations . . . . . . . . .
56
Power-On Password
. . . . . . . . . .
56
Administrator Password . . . . . . . . .
56
Hard Disk Password. . . . . . . . . . .
56
Setting, changing, and deleting a password .
56
Enabling or disabling a device
. . . . . . . .
57
Selecting a startup device . . . . . . . . . .
57
Selecting a temporary startup device . . . .
57
Selecting or changing the startup device
sequence . . . . . . . . . . . . . . .
57
Changing the BIOS settings before installing a new
operating system. . . . . . . . . . . . . .
58
Exiting the Setup Utility program
. . . . . . .
58
Chapter 7. Symptom-to-FRU Index . .
59
Hard disk drive boot error . . . . . . . . . .
59
Power Supply Problems . . . . . . . . . . .
59
Beep symptoms . . . . . . . . . . . . . .
59
POST error codes . . . . . . . . . . . . .
60
Miscellaneous error conditions . . . . . . . .
61
Undetermined problems . . . . . . . . . . .
62
Chapter 8. Locations . . . . . . . . .
65
Locating connectors, controls, and indicators on
the front of your computer . . . . . . . . . .
65
Locating connectors on the rear of your
computer . . . . . . . . . . . . . . . . .
66
Locating major FRUs and CRUs . . . . . . . .
68
Looking up FRU information . . . . . . . . .
71
System board parts and connectors . . . . . .
72
Chapter 9. Replacing FRUs . . . . . .
73
Removing and reinstalling the system stand hinge
cover . . . . . . . . . . . . . . . . . .
73
Removing and reinstalling the system stand . . .
75
Removing and reinstalling the monitor stand . . .
77
Removing and reinstalling the frame stand. . . .
78
Removing the computer cover . . . . . . . .
81
Replacing the hard disk drive . . . . . . . . .
81
Replacing the optical drive . . . . . . . . . .
84
Removing the VESA mount bracket . . . . . .
85
Replacing the rear I/O assembly . . . . . . . .
86
© Copyright Lenovo 2012
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Summary of Contents for ThinkCentre 3512
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Page 75: ...Figure 3 Locating major FRUs and CRUs Chapter 8 Locations 69 ...
Page 85: ...Figure 12 Removing the frame stand Chapter 9 Replacing FRUs 79 ...
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