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ThinkCentre M71z
Hardware Maintenance Manual
Lenovo ThinkCentre M71z - Hardware Maintenance Manual
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ThinkCentr
e
Har
dwar
e
Maint
enance
Manual
Machine
T
ypes:
1654,
1664,
1665,
1677,
1738,
1739,
1741,
1761,
1762,
1763,
1782,
1837,
1938,
1942,
1962,
and
1966.
2
Table of Contents
Main Page
Default Chapter
5
Table of Contents
5
Chapter 1. About this Manual
7
Important Safety Information
7
Chapter 2. Safety Information
9
General Safety
9
Electrical Safety
9
Safety Inspection Guide
11
Handling Electrostatic Discharge-Sensitive Devices
11
Grounding Requirements
12
Safety Notices (Multi-Lingual Translations)
12
Chapter 3. General Information
35
Lenovo Thinkvantage Tools
35
Lenovo Welcome
35
Lenovo Thinkvantage Toolbox
35
Lenovo Solution Center
35
Simpletap
36
Additional Information Resources
36
Specifications
37
Chapter 4. General Checkout
39
Problem Determination Tips
39
Chapter 5. Troubleshooting and Diagnostics
41
Basic Troubleshooting
41
Troubleshooting Procedure
42
Troubleshooting
43
Audio Problems
43
CD Problems
44
DVD Problems
45
Intermittent Problems
47
Keyboard, Mouse, or Pointing Device Problems
47
The Fingerprint Reader Does Not Work
48
The Wireless Keyboard Does Not Work
48
Monitor Problems
49
Networking Problems
50
A Wireless Lan Problem
52
A Wireless Wan Problem
52
Option Problems
53
Performance and Lockup Problems
54
Printer Problems
55
Serial Port Problems
55
Software Problems
56
USB Problems
57
Diagnostics
57
Lenovo Thinkvantage Toolbox
57
Lenovo Solution Center
58
PC-Doctor for DOS
58
Navigating through the Diagnostics Programs
59
Running Tests
59
Copyright Lenovo 2011, 2012
63
Chapter 6. Using the Setup Utility Program
63
Starting the Setup Utility Program
63
Viewing and Changing Settings
63
Using Passwords
63
Password Considerations
64
Power-On Password
64
Hard Disk Password
64
Administrator Password
64
Setting, Changing, and Deleting a Password
64
Enabling or Disabling a Device
65
Selecting a Startup Device
65
Selecting a Temporary Startup Device
65
Selecting or Changing the Startup Device Sequence
65
Exiting the Setup Utility Program
66
Chapter 7. Symptom-To-FRU Index
67
Hard Disk Drive Boot Error
67
Power Supply Problems
67
Diagnostic Error Codes
68
Beep Symptoms
85
POST Error Codes
85
Miscellaneous Error Conditions
86
Undetermined Problems
88
Chapter 8. Replacing Frus
89
Locating Connectors, Controls, and Indicators on the Front of Your Computer
90
Locating Connectors on the Rear of Your Computer
91
FRU Locations
92
System Board Parts and Connectors
94
Removing and Reinstalling the System Stand Hinge Cover
94
Removing and Reinstalling the System Stand
96
Removing and Reinstalling the Frame Stand
98
Removing the Computer Cover
100
Replacing the Hard Disk Drive
100
Replacing the Optical Drive
103
Removing the VESA Mount Bracket
104
Replacing the Rear I/O Assembly
105
Removing and Reinstalling the System Board Shield
107
Replacing the Power Supply
108
Replacing the Microprocessor Fan
109
Replacing the Heat Sink Assembly
110
Replacing the Microprocessor
112
Replacing the Card Reader
115
Opening the System Board Shield Window
116
Replacing the Battery
117
Replacing the Inverter
118
Installing or Replacing a Memory Module
119
Replacing the Internal Speakers
121
Replacing the Integrated Camera
122
Replacing the System Board
123
Replacing the LCD Panel
125
Replacing the WI-FI Card
129
Completing the Parts Replacement
130
Chapter 9. FRU Lists
133
Overall: MT 1654, 1664, 1677, 1738, 1739, and 1938
133
Mechanical Frus
144
Keyboard and Mouse
147
Adapters and Miscellaneous Frus
196
Power Cords
196
Recovery Discs
203
Windows 7 Starter 32 SP1 Recovery CD
203
Windows 7 Home Basic 32 SP1 Recovery CD
205
Windows 7 Home Premium 32 SP1 Recovery CD
207
Windows 7 Home Premium 64 SP1 Recovery CD
210
Windows 7 Professional 32 SP1 Recovery CD
211
Windows 7 Professional 64 SP1 Recovery CD
217
Windows 7 Ultimate 32 SP1 Recovery CD
222
Windows 7 Ultimate 64 SP1 Recovery CD
222
Windows XP Professional 32 Recovery CD
222
Overall: MT 1741, 1761, 1762, 1782, 1837, and 1962
224
Mechanical Frus
237
Keyboard and Mouse
239
Adapters and Miscellaneous Frus
289
Power Cords
289
Recovery Discs
296
Windows 7 Starter SP1 Recovery CD
296
Windows 7 Home Basic 32 SP1 Recovery CD
298
Windows 7 Home Premium 32 SP1 Recovery CD
300
Windows 7 Home Premium 64 SP1 Recovery CD
303
Windows 7 Professional 32 SP1 Recovery CD
304
Windows 7 Professional 64 SP1 Recovery CD
310
Chapter 10. Additional Service Information
317
Security Features
317
Hardware Controlled Passwords
317
Operating System Password
317
Vital Product Data
317
BIOS Levels
317
Flash Update Procedures
317
Updating (Flashing) the BIOS from a Disc
317
Updating (Flashing) the BIOS from Your Operating System
318
Recovering from a POST/BIOS Update Failure
318
Power Management
319
Automatic Configuration and Power Interface (ACPI) BIOS
319
Automatic Power-On Features
319
Appendix A. Notices
321
Television Output Notice
322
European Conformance CE Mark
322
Trademarks
322
Index
323
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