User Manuals: Lenovo ThinkCentre 7521 Desktop Computer

Manuals and User Guides for Lenovo ThinkCentre 7521 Desktop Computer. We have 1 Lenovo ThinkCentre 7521 Desktop Computer manual available for free PDF download: Hardware Maintenance Manual

Lenovo ThinkCentre 7521 Hardware Maintenance Manual

Lenovo ThinkCentre 7521 Hardware Maintenance Manual (282 pages)

Hardware Maintenance Manual for ThinkCentre M80

Brand: Lenovo | Category: Desktop | Size: 11.09 MB

Table of Contents

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

41
- Problem Determination Tips
  41
Chapter 5. Diagnostic Programs

43
- Lenovo Thinkvantage Toolbox
  43
- Lenovo Solution Center
  43
- PC-Doctor for DOS
  44
Chapter 6. Using the Setup Utility Program

47
Chapter 7. Symptom-To-FRU Index

51
- Hard Disk Drive Boot Error
  51
- Power Supply Problems
  51
- Diagnostic Error Codes
  51
- Beep Symptoms
  69
- POST Error Codes
  69
- Miscellaneous Error Messages
  70
- Undetermined Problems
  72
Chapter 8. Installing or Replacing Hardware: 4165, 7179, 7182, 7490, 7493, 7511, and 7521

75
Chapter 9. Installing or Replacing Hardware: 7181, 7189, 7239, 7492, 7507, 7513, and 7529

109
- Locations
  109
- Handling Static-Sensitive Devices
  114
- Installing or Replacing Hardware
  114
  - Installing External Options
    114
  - Removing the Computer Cover
    115
  - Removing and Reinstalling the Front Bezel
    116
  - Accessing the System Board Components and Drives
    117
  - Installing or Replacing a PCI Card
    118
  - Installing or Replacing a Memory Module
    121
  - Replacing the Battery
    123
  - Replacing the Heat Sink and Fan Assembly
    124
  - Replacing the Microprocessor
    127
  - Replacing the Power Supply Assembly
    129
  - Replacing the Optical Drive
    133
  - Replacing the Hard Disk Drive
    136
  - Replacing the Card Reader
    139
  - Replacing the Front Fan Assembly
    140
  - Replacing the System Board
    142
  - Completing the Parts Replacement
    146
Chapter 10. FRU Lists

149
- Overall: MT 7181, 7189, 7492, 7507, 7513, 7529, and 7239
  149
- Mechanical Frus
  156
- Keyboard and Mouse
  159
- Adapters and Miscellaneous Frus
  188
- Power Cords
  190
- Recovery Discs
  196
- Overall: MT 4165, 7179, 7182, 7490, 7493, 7511, and 7521
  208
- Mechanical Frus
  215
- Keyboard and Mouse
  218
- Adapters and Miscellaneous Frus
  247
- Power Cords
  249
- Recovery Discs
  255
Chapter 11. Additional Service Information

269
- Security Features
  269
  - Hardware-Controlled Passwords
    269
  - Operating System Password
    269
  - Vital Product Data
    269
- BIOS Levels
  269
- Updating (Flashing) the BIOS from a Disc
  269
- Updating (Flashing) the BIOS from Your Operating System
  270
- Recovering from a POST and BIOS Update Failure
  270
- Power Management
  271
  - Advanced Configuration and Power Interface (ACPI) BIOS
    271
  - Automatic Power-On Features
    271
Chapter 12. Getting Information, Help, and Service

273
- Information Resources
  273
  - Lenovo Thinkvantage Tools
    273
  - Lenovo Welcome
    273
  - Access Help
    273
  - Safety and Warranty
    273
  - Lenovo Web Site (Http://Www.lenovo.com)
    274
- Help and Service
  274
  - Using the Documentation and Diagnostic Programs
    274
  - Calling for Service
    274
  - Using Other Services
    275
  - Purchasing Additional Services
    275
Appendix A. Notices

277
- Trademarks
  278
- Television Output Notice
  278
- European Conformance CE Mark
  278
Index

279

Advertisement

Advertisement

Related Products

Lenovo Categories

Laptop

Desktop

Monitor

More Lenovo Manuals