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Lenovo 8820ANU - User Manual
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ThinkCentr
e
Har
dwar
e
Maint
enance
Manual
Machine
T
ypes:
6136,
6139,
7187,
7345,
7348,
7356,
7359,
7479,
7626,
7629,
7637,
8338,
8820,
and
9961
2
Table of Contents
Main Page
Default Chapter
5
Table of Contents
5
Chapter 1. About this Manual
7
Important Safety Information
7
Important Information about Replacing Rohs Compliant Frus
7
Chapter 2. Safety Information
9
General Safety
9
Electrical Safety
9
Voltage-Selection Switch
11
Safety Inspection Guide
11
Handling Electrostatic Discharge-Sensitive Devices
12
Grounding Requirements
12
Safety Notices (Multi-Lingual Translations)
12
Chapter 3. General Information
35
Online Books Folder
35
Lenovo Thinkvantage Tools
35
Thinkvantage Productivity Center
35
Access Help
36
Additional Information Resources
36
Specifications
36
Chapter 4. General Checkout
39
Checking for Power Problems
39
Problem Determination Tips
40
Chapter 5. Diagnostic Programs
43
Lenovo Thinkvantage Toolbox
43
Lenovo System Toolbox
43
PC-Doctor for Rescue and Recovery
44
PC-Doctor for DOS
44
Creating a Diagnostic Disc
44
Running the Diagnostic Program from the Diagnostic Disc
44
Navigating through the Diagnostics Programs
45
Running Tests
45
Viewing the Test Log
46
Chapter 6. Using the Setup Utility Program
49
Starting the Setup Utility Program
49
Viewing and Changing Settings
49
Using Passwords
49
Password Considerations
49
Power-On Password
50
Administrator Password
50
Hard Disk User Password
50
Setting, Changing, and Deleting a Password
50
Enabling or Disabling a Device
50
Selecting a Startup Device
51
Selecting a Temporary Startup Device
51
Selecting or Changing the Startup Device Sequence
51
Exiting the Setup Utility Program
51
Chapter 7. Symptom-To-FRU Index
53
Hard Disk Drive Boot Error
53
Diagnostic Error Codes
53
Beep Symptoms
69
POST Error Codes
69
Miscellaneous Error Messages
70
Undetermined Problems
72
Chapter 8. Replacing Frus
73
Locations
73
Locating Connectors on the Front of the Computer
73
Locating Connectors on the Rear of the Computer
74
Locating Components
75
Locating Parts on the System Board
76
Opening the Computer Cover
77
Replacing the Battery
77
Replacing a Memory Module
79
Replacing the Adapter Card
80
Replacing the Front Audio and USB Assembly
82
Replacing the Heat Sink
83
Replacing the Microprocessor
84
Replacing the System Board
86
Replacing the System Fan
88
Replacing the Hard Disk Drive
90
Replacing the Optical Drive
92
Replacing the Internal Speaker
94
Completing the FRU Replacement
95
Chapter 9. FRU Lists
97
Machine Type 6136
97
Machine Type 6139
111
Machine Type 7187
128
Machine Type 7345
143
Machine Type 7348
158
Machine Type 7356
175
Machine Type 7359
192
Machine Type 7479
210
Machine Type 7626
228
Machine Type 7629
248
Machine Type 7637
268
Machine Type 8338
289
Machine Type 8820
303
Machine Type 9961
320
Chapter 10. Additional Service Information
339
Security Features
339
Hardware Controlled Passwords
339
Operating System Password
339
Vital Product Data
339
Secure Managed Client
339
BIOS Levels
339
Updating (Flashing) BIOS from a Disc
340
Recovering from a POST/BIOS Update Failure
340
Power Management
341
Automatic Configuration and Power Interface (ACPI) BIOS
341
Automatic Power-On Features
341
Appendix A. Notices
343
Television Output Notice
344
Trademarks
344
Index
345
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Lenovo 8820ANU Specifications
General
Brand
Lenovo
Model
8820ANU
Category
Desktop
Language
English
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