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ThinkCentre M72e
Hardware Maintenance Manual
Lenovo ThinkCentre M72e - Hardware Maintenance Manual
170 pages
Manual
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ThinkCentr
e
Har
dwar
e
Maint
enance
Manual
Machine
T
ypes:
0896,
0900,
0958,
0967,
1112,
1271,
2116,
3498,
3578,
3593,
3594,
3595,
3596,
3597,
3598,
3617,
3629,
3634,
3654,
3655,
3660,
3662,
3664,
3665,
3668,
3675,
and
3676
2
Table of Contents
Main Page
Default Chapter
3
Table of Contents
3
Chapter 1. About this Manual
5
Important Safety Information
5
Chapter 2. Safety Information
7
General Safety
7
Electrical Safety
7
Voltage-Selection Switch
9
Safety Inspection Guide
9
Handling Electrostatic Discharge-Sensitive Devices
10
Grounding Requirements
10
Safety Notices (Multi-Lingual Translations)
10
Chapter 3. General Information
37
Lenovo Welcome
37
Lenovo Thinkvantage Tools
37
Lenovo Solution Center
37
Simpletap
37
Additional Information Resources
38
Specifications
38
For Machine Types: 0896, 0958, 1112, 2116, 3498, 3593, 3595, 3597, 3617, 3634, 3655, 3662, 3665, and 3675
38
For Machine Types: 0900, 0967, 1271, 3578, 3594, 3596, 3598, 3629, 3654, 3660, 3664, 3668, and 3676
39
Chapter 4. General Checkout
41
Problem Determination Tips
41
Chapter 5. Troubleshooting and Diagnostics
43
Basic Troubleshooting
43
Troubleshooting Procedure
44
Troubleshooting
44
Audio Problems
45
CD Problems
46
DVD Problems
47
Intermittent Problems
48
Hard Disk Drive Problems
49
Keyboard, Mouse, or Pointing Device Problems
49
Monitor Problems
51
Networking Problems
53
A Wireless Lan Problem
54
Option Problems
55
Performance and Lockup Problems
56
Insufficient Memory
57
Printer Problems
58
Serial Port Problems
58
Software Problems
58
USB Problems
59
Diagnostics
60
Lenovo Solution Center
60
Copyright Lenovo
61
Chapter 6. Using the Setup Utility Program
61
Starting the Setup Utility Program
61
Viewing and Changing Settings
61
Using Passwords
61
Password Considerations
62
Power-On Password
62
Administrator Password
62
Hard Disk Password
62
Setting, Changing, and Deleting a Password
62
Erasing Lost or Forgotten Passwords (Clearing CMOS)
63
Enabling or Disabling a Device
63
Selecting a Startup Device
64
Selecting a Temporary Startup Device
64
Selecting or Changing the Startup Device Sequence
64
Enabling Erp Compliance Mode
64
Exiting the Setup Utility Program
65
Chapter 7. Symptom-To-FRU Index
67
Hard Disk Drive Boot Error
67
Power Supply Problems
67
Beep Symptoms
67
POST Error Codes
68
Miscellaneous Error Messages
70
Undetermined Problems
71
Chapter 8. Locations
73
For Machine Types: 0896, 0958, 1112, 2116, 3498, 3593, 3595, 3597, 3617, 3634, 3655, 3662, 3665, and 3675
73
Locating Connectors, Controls, and Indicators on the Front of Your Computer
73
Locating Connectors on the Rear of Your Computer
74
Locating Major Frus and Crus
75
Looking up FRU Information
77
Locating Parts on the System Board
77
Locating Internal Drives
80
For Machine Types: 0900, 0967, 1271, 3578, 3594, 3596, 3598, 3629, 3654, 3660, 3664, 3668, and 3676
81
Locating Connectors, Controls, and Indicators on the Front of Your Computer
81
Locating Connectors on the Rear of Your Computer
82
Locating Major Frus and Crus
82
Looking up FRU Information
84
Locating Parts on the System Board
84
Locating Internal Drives
86
Chapter 9. Replacing Frus (Machine Types: 0896, 0958, 1112, 2116, 3498, 3593, 3595, 3597, 3617, 3634, 3655, 3662, 3665, and 3675)
87
Handling Static-Sensitive Devices
87
Installing or Replacing Hardware
87
Installing External Options
87
Removing the Computer Cover
88
Removing and Reinstalling the Front Bezel
89
Installing or Replacing a PCI Card
91
Replacing the Battery
94
Installing or Replacing a Memory Module
95
Installing or Replacing the Optical Drive
97
Replacing the Heat Sink and Fan Assembly
99
Replacing the Power Supply Assembly
101
Replacing the Microprocessor
102
Replacing the System Board
105
Replacing the Primary Hard Disk Drive
107
Replacing the Rear Fan Assembly
109
Replacing the Front Audio and USB Assembly
111
Replacing the Wifi Units
112
Removing the Wifi Adapter Card
113
Installing or Removing the Rear Wifi Antenna
118
Installing or Removing the Front Wifi Antenna
119
Completing the Parts Replacement
121
Chapter 10. Replacing Frus (Machine Types: 0900, 0967, 1271, 3578, 3594, 3596, 3598, 3629, 3654, 3660, 3664, 3668, and 3676)
123
Handling Static-Sensitive Devices
123
Installing or Replacing Hardware
123
Installing External Options
123
Removing the Computer Cover
124
Removing and Reinstalling the Front Bezel
124
Accessing the System Board Components and Drives
125
Installing or Replacing a Memory Module
127
Installing or Replacing a PCI Card
128
Replacing the Battery
130
Replacing the Hard Disk Drive
131
Installing or Replacing the Optical Drive
133
Replacing the Heat Sink and Fan Assembly
136
Replacing the Power Supply Assembly
139
Replacing the Microprocessor
143
Replacing the System Board
146
Replacing the Front Audio and USB Assembly
148
Replacing the System Fan Assembly
149
Replacing the Wifi Units
151
Installing or Removing the Rear Wifi Antenna
156
Removing the Rear Wifi Antenna
157
Installing or Removing the Front Wifi Antenna
158
Removing the Front Wifi Antenna
159
Completing the Parts Replacement
160
Chapter 11. Additional Service Information
161
Security Features
161
Hardware-Controlled Passwords
161
Operating System Password
161
Vital Product Data
161
BIOS Levels
161
Updating (Flashing) the BIOS from a Disc
161
Updating (Flashing) the BIOS from Your Operating System
162
Recovering from a POST and BIOS Update Failure
162
Power Management
163
Advanced Configuration and Power Interface (ACPI) BIOS
163
Automatic Power-On Features
163
Appendix A. Notices
165
Television Output Notice
166
European Conformance CE Mark
166
Trademarks
166
Index
167
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