User Manuals: Lenovo ThinkCentre 4085 Desktop Computer

Manuals and User Guides for Lenovo ThinkCentre 4085 Desktop Computer. We have 2 Lenovo ThinkCentre 4085 Desktop Computer manuals available for free PDF download: Hardware Maintenance Manual

Lenovo ThinkCentre 4085 Hardware Maintenance Manual (572 pages)

Lenovo Desktop Computer Hardware Maintenance Manual

Brand: Lenovo | Category: Desktop | Size: 9.16 MB

Table of Contents
5
Chapter 1. About this Manual

9
- Important Safety Information
  9
- Important Information about Replacing Rohs Compliant Frus
  9
Chapter 2. Safety Information

11
Chapter 3. General Information

37
Chapter 4. General Checkout

43
- Problem Determination Tips
  44
Chapter 5. Diagnostic Programs

45
- Lenovo Thinkvantage Toolbox
  45
- Lenovo Solution Center
  45
- Lenovo System Toolbox
  46
- PC-Doctor for Rescue and Recovery
  46
- PC-Doctor for DOS
  46
Chapter 6. Using the Setup Utility

51
Chapter 7. Symptom-To-FRU Index

55
- Hard Disk Drive Boot Error
  55
- Power Supply Problems
  55
- Diagnostic Error Codes
  56
- Beep Symptoms
  73
- POST Error Codes
  74
- Miscellaneous Error Messages
  75
- Undetermined Problems
  77
Chapter 8. Replacing Frus

79
8854, 9728, 9960, and 9965.)

79
Chapter 9. Replacing Frus

113
- Locating Connectors on the Front of the Computer
  113
- Locating Connectors on the Rear of the Computer
  114
- Opening the Computer Cover
  115
- Accessing the System Board Components and Drives
  116
- Locating Components
  117
- Locating Parts on the System Board
  118
- Replacing the Battery
  118
- Replacing a Memory Module
  120
- Replacing an Adapter Card
  121
- Replacing the Power Supply
  123
- Replacing the Heat Sink and Fan Assembly
  125
- Replacing the Microprocessor
  126
- Replacing the System Board
  129
- Replacing the Hard Disk Drive
  130
- Replacing the Optical Drive
  132
- Replacing the Card Reader
  134
- Replacing the Internal Speaker
  135
- Replacing the Front Audio and USB Assembly
  138
- Completing the FRU Replacement
  139
Chapter 10. FRU Lists

141
Chapter 11. Additional Service Information

567
- Security Features
  567
  - Hardware Controlled Passwords
    567
  - Operating System Password
    567
  - Vital Product Data
    567
  - Secure Managed Client
    567
- BIOS Levels
  567
- Updating (Flashing) BIOS from a Disc
  568
- Recovering from a POST/BIOS Update Failure
  568
- Power Management
  569
  - Automatic Configuration and Power Interface (ACPI) BIOS
    569
  - Automatic Power-On Features
    569
Appendix A. Notices

571
- Television Output Notice
  572
- Trademarks
  572

Lenovo ThinkCentre 4085 Hardware Maintenance Manual (566 pages)

Hardware Maintenance Manual

Brand: Lenovo | Category: Desktop | Size: 9.12 MB

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User Manuals: Lenovo ThinkCentre 4085 Desktop Computer

Lenovo ThinkCentre 4085 Hardware Maintenance Manual (572 pages)

Table of Contents

Chapter 1. About this Manual

Chapter 2. Safety Information

Chapter 3. General Information

Chapter 4. General Checkout

Chapter 5. Diagnostic Programs

Chapter 6. Using the Setup Utility

Chapter 7. Symptom-To-FRU Index

Chapter 8. Replacing Frus

8854, 9728, 9960, and 9965.)

Chapter 9. Replacing Frus

Chapter 10. FRU Lists

Chapter 11. Additional Service Information

Appendix A. Notices