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 ThinkVantage Tools
. . . . . . . . .
29
Lenovo Solution Center . . . . . . . . . . .
30
Lenovo Welcome. . . . . . . . . . . . . .
30
SimpleTap . . . . . . . . . . . . . . . .
30
Additional information resources
. . . . . . .
31
Chapter 4. General Checkout . . . . .
33
Problem determination tips . . . . . . . . . .
33
Chapter 5. Troubleshooting and
diagnostics . . . . . . . . . . . . . .
35
Basic troubleshooting . . . . . . . . . . . .
35
Troubleshooting procedure . . . . . . . . . .
36
Troubleshooting . . . . . . . . . . . . . .
37
Audio problems . . . . . . . . . . . .
37
CD problems . . . . . . . . . . . . .
38
DVD problems . . . . . . . . . . . . .
39
Intermittent problems . . . . . . . . . .
41
Keyboard, mouse, or pointing device
problems . . . . . . . . . . . . . . .
41
Monitor problems. . . . . . . . . . . .
43
Networking problems . . . . . . . . . .
44
Option problems . . . . . . . . . . . .
47
Performance and lockup problems . . . . .
48
Printer problems . . . . . . . . . . . .
49
Serial port problems. . . . . . . . . . .
49
Software problems . . . . . . . . . . .
50
USB problems . . . . . . . . . . . . .
51
Diagnostics . . . . . . . . . . . . . . . .
51
Lenovo Solution Center . . . . . . . . .
51
Chapter 6. Using the Setup Utility
program . . . . . . . . . . . . . . . .
53
Starting the Setup Utility program . . . . . . .
53
Viewing and changing settings . . . . . . . .
53
Using passwords. . . . . . . . . . . . . .
53
Password considerations . . . . . . . . .
53
Power-On Password
. . . . . . . . . .
54
Administrator Password . . . . . . . . .
54
Setting, changing, and deleting a password .
54
Enabling or disabling a device
. . . . . . . .
54
Selecting a startup device . . . . . . . . . .
55
Selecting a temporary startup device . . . .
55
Selecting or changing the startup device
sequence . . . . . . . . . . . . . . .
55
Exiting the Setup Utility program
. . . . . . .
55
Chapter 7. Symptom-to-FRU Index . .
57
Hard disk drive boot error . . . . . . . . . .
57
Power Supply Problems . . . . . . . . . . .
57
Diagnostic error codes . . . . . . . . . . .
57
Beep symptoms . . . . . . . . . . . . . .
75
POST error codes . . . . . . . . . . . . .
75
Miscellaneous error conditions . . . . . . . .
76
Undetermined problems . . . . . . . . . . .
78
Chapter 8. Locations . . . . . . . . .
79
Locating connectors, controls, and indicators on
the front of your computer . . . . . . . . . .
79
Locating connectors on the rear of your
computer . . . . . . . . . . . . . . . . .
81
Locating major FRUs and CRUs . . . . . . . .
82
Looking up FRU information . . . . . . . . .
85
Locating parts on the system board . . . . . .
86
Chapter 9. Replacing FRUs . . . . . .
87
Removing and reinstalling the system stand hinge
cover . . . . . . . . . . . . . . . . . .
87
Removing and reinstalling the system stand . . .
89
Removing and reinstalling the foot stands . . . .
91
Removing the computer cover . . . . . . . .
94
Replacing the hard disk drive . . . . . . . . .
95
Replacing the optical drive . . . . . . . . . .
97
Removing the VESA mount bracket . . . . . .
98
Replacing the rear I/O assembly . . . . . . . .
99
Removing and reinstalling the system board
shield . . . . . . . . . . . . . . . . . .
101
Replacing the power supply . . . . . . . . .
102
Replacing the microprocessor fan . . . . . . .
103
Replacing the heat sink assembly . . . . . . .
104
Replacing the microprocessor
. . . . . . . .
106
Replacing the card reader . . . . . . . . . .
109
© Copyright Lenovo 2012
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Summary of Contents for ThinkCentre Edge 72z
Page 1: ...ThinkCentre Edge Hardware Maintenance Manual Machine Types 3569 3571 and 3574 ...
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Page 15: ...Chapter 2 Safety information 9 ...
Page 19: ...Chapter 2 Safety information 13 ...
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Page 89: ...Figure 3 Locating major FRUs and CRUs Chapter 8 Locations 83 ...
Page 99: ...Figure 13 Reinstall the rubber on the foot stand Chapter 9 Replacing FRUs 93 ...
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