Lenovo ThinkCentre 7843 Manuals

Manuals and User Guides for Lenovo ThinkCentre 7843. We have 2 Lenovo ThinkCentre 7843 manuals available for free PDF download: Hardware Maintenance Manual, User Manual

Lenovo ThinkCentre 7843 Hardware Maintenance Manual (536 pages)

Hardware Maintenance Manual

Brand: Lenovo | Category: Desktop | Size: 8.55 MB

Table of Contents
5
Chapter 1. About this Manual

7
Chapter 2. Safety Information

9
Chapter 3. General Information

35
Chapter 4. General Checkout

39
- Problem Determination Tips
  39
Chapter 5. Diagnostics

41
Chapter 6. Using the Setup Utility

45
Chapter 7. Symptom-To-FRU Index

49
- Hard Disk Drive Boot Error
  49
- Power Supply Problems
  49
- Diagnostic Error Codes
  50
- Beep Symptoms
  67
- POST Error Codes
  68
- Miscellaneous Error Messages
  69
- Undetermined Problems
  71
Chapter 8. Replacing Frus (Types 7258, 7260, 7268, 7270, 7280, 7296, 7298, 7304, 7307,7413, 7491, and 7508)

73
Chapter 9. Replacing Frus

101
- Locations
  103
  - Rear Connectors
    103
  - Computer Components
    104
  - System Board Connectors
    104
- Opening the Cover
  105
- Accessing System Board Components and Drives
  106
- Replacing a Memory Module
  106
- Replacing the Battery
  107
- Replacing the Power Supply
  108
- Replacing the System Board
  110
- Replacing the Microprocessor
  113
- Replacing the Heat Sink and Fan Assembly
  115
- Replacing the Hard Disk Drive
  116
- Replacing the Optical Drive
  118
- Replacing the Internal Speaker
  120
- Replacing the Power Switch/Led Assembly
  121
- Replacing the Card Reader
  122
- Installing or Replacing an Adapter Card
  122
- Completing the FRU Replacement
  124
Chapter 10. FRU Lists

127
- Overall: MT 7258, 7260, 7268, 7270, 7280, 7296, 7298, 7304, 7307,7413, 7491, and 7508
  127
- Mechanical Frus
  153
- Keyboard and Mouse
  164
- Adapters and Miscellaneous Frus
  207
- Power Cords
  215
- Recovery Discs
  227
- Overall: MT 7259, 7267, 7269, 7279, 7297, 7303, 7306, 7487, 7506, and 7514
  323
- Mechanical Frus
  353
- Keyboard and Mouse
  365
- Adapters and Miscellaneous Frus
  407
- Power Cords
  416
- Recovery Discs
  428
Chapter 11. Additional Service Information

527
- Security Features
  527
  - Hardware Controlled Passwords
    527
  - Operating System Password
    527
  - Vital Product Data
    527
- BIOS Levels
  527
- Flash Update Procedures
  527
- Updating (Flashing) BIOS from a Disc
  528
- Updating (Flashing) BIOS from Your Operating System
  528
- Recovering from a POST/BIOS Update Failure
  528
- Power Management
  529
  - Automatic Configuration and Power Interface (ACPI) BIOS
    529
  - Automatic Power-On Features
    529
Appendix A. Notices

531
- Television Output Notice
  532
- Trademarks
  532
Index

533

Lenovo ThinkCentre 7843 User Manual (90 pages)

Lenovo ThinkCentre M58e 7268: User Guide

Brand: Lenovo | Category: Desktop | Size: 2.24 MB

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Lenovo ThinkCentre 7843 Manuals

Lenovo ThinkCentre 7843 Hardware Maintenance Manual (536 pages)

Table of Contents

Chapter 1. About this Manual

Chapter 2. Safety Information

Chapter 3. General Information

Chapter 4. General Checkout

Chapter 5. Diagnostics

Chapter 6. Using the Setup Utility

Chapter 7. Symptom-To-FRU Index

Chapter 8. Replacing Frus (Types 7258, 7260, 7268, 7270, 7280, 7296, 7298, 7304, 7307,7413, 7491, and 7508)

Chapter 9. Replacing Frus

Chapter 10. FRU Lists

Chapter 11. Additional Service Information

Appendix A. Notices

Index

Lenovo ThinkCentre 7843 User Manual (90 pages)

Table of Contents

Important Safety Information

Chapter 1. Product Overview

Chapter 2. Installing Options and Replacing Hardware

Chapter 3. Recovery Information

Chapter 4. Using the Setup Utility

Chapter 5. Updating System Programs

Chapter 6. Troubleshooting and Diagnostics

Chapter 7. Getting Information, Help, and Service

Appendix. Notices

Index

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