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ThinkCentre 7637
Hardware maintenance manual
Lenovo ThinkCentre 7637 Hardware Maintenance Manual
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Also See for ThinkCentre 7637
:
Hardware maintenance manual
(348 pages)
,
User manual
(92 pages)
,
Hardware installation and replacement manual
(46 pages)
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Contents
Table of Contents
Bookmarks
Table of Contents
Table of Contents
Chapter 1. About this Manual
Important Safety Information
Important Information about Replacing Rohs Compliant Frus
Chapter 2. Safety Information
General Safety
Electrical Safety
Voltage-Selection Switch
Safety Inspection Guide
Handling Electrostatic Discharge-Sensitive Devices
Grounding Requirements
Safety Notices (Multi-Lingual Translations)
Chapter 3. General Information
Thinkvantage Productivity Center
Additional Information Resources
Specifications
Chapter 4. General Checkout
Checking for Power Problems
Problem Determination Tips
Chapter 5. Diagnostics
Lenovo System Toolbox
PC-Doctor for Windows PE
Running Diagnostics from the Rescue and Recovery Workspace
PC-Doctor for DOS
Creating a Diagnostic CD/DVD Image
Running Diagnostics from the Disc
Navigating through the Diagnostics Programs
Running Tests
Viewing the Test Log
Chapter 6. Using the Setup Utility
Starting the Setup Utility Program
Viewing and Changing Settings
Using Passwords
Password Considerations
Power-On Password
Administrator Password
Hard Disk User Password
Setting, Changing, and Deleting a Password
Enabling or Disabling a Device
Selecting a Startup Device
Selecting a Temporary Startup Device
Selecting or Changing the Startup Device Sequence
Exiting from the Setup Utility Program
Chapter 7. Symptom-To-FRU Index
Hard Disk Drive Boot Error
Diagnostic Error Codes
Beep Symptoms
POST Error Codes
Miscellaneous Error Messages
Undetermined Problems
Chapter 8. Replacing Frus
Locations
Locating Connectors on the Front of the Computer
Locating Connectors on the Rear of the Computer
Locating Components
Locating Parts on the System Board
Opening the Computer Cover
Replacing the Battery
Replacing a Memory Module
Replacing the Adapter Card
Replacing the Front Audio and USB Assembly
Replacing the Heat Sink
Replacing the Microprocessor
Replacing the System Board
Replacing the System Fan
Replacing the Hard Disk Drive
Replacing the Optical Drive
Replacing the Internal Speaker
Completing the FRU Replacement
Chapter 9. FRU Lists
Machine Type 6136
Machine Type 6139
Machine Type 7187
Machine Type 7345
Machine Type 7348
Machine Type 7356
Machine Type 7359
Machine Type 7479
Machine Type 7626
Machine Type 7629
Machine Type 7637
Machine Type 8820
Machine Type 9961
Chapter 10. Additional Service Information
Security Features
Hardware Controlled Passwords
Operating System Password
Vital Product Data
Secure Managed Client
BIOS Levels
Updating (Flashing) BIOS from a Disc
Recovering from a POST/BIOS Update Failure
Power Management
Automatic Configuration and Power Interface (ACPI) BIOS
Automatic Power-On Features
Television Output Notice
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Quick Links
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Specifications
2
Opening the Computer Cover
3
Replacing a Memory Module
4
Machine Type 6136
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User Manual
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Summarization of Contents
Chapter 1. About this manual
Important Safety Information
Read all caution and danger statements before performing instructions.
RoHS Compliant FRU Replacement
Guidelines for replacing parts to comply with RoHS directives.
Chapter 2. Safety Information
General Safety Precautions
Rules and precautions for safe handling and operation.
Electrical Safety
Precautions to avoid electrical shock and equipment damage.
Chapter 3. General Information
ThinkVantage Productivity Center
Program for general computer information, operation, and maintenance.
Additional Information Resources
Links to Lenovo support for up-to-date information and resources.
Chapter 4. General Checkout
Checking for Power Problems
Troubleshooting steps when the computer does not turn on.
Problem Determination Tips
Information to assist in determining the cause of hardware or software issues.
Chapter 5. Diagnostics
Lenovo System Toolbox
Diagnostic program for running system tests within Windows.
PC-Doctor for Windows PE
Diagnostic program for use when Windows OS does not start.
Chapter 6. Using the Setup Utility
Viewing and Changing Settings
How to navigate and modify system configuration settings.
Using Passwords
Setting and managing passwords for system access and security.
Chapter 7. Symptom-to-FRU Index
Hard Disk Drive Boot Errors
Lists causes and FRU actions for hard disk boot failures.
Diagnostic Error Codes
Explains diagnostic error codes and recommended FRU actions.
Chapter 8. Replacing FRUs
Opening the Computer Cover
Step-by-step instructions for safely opening the computer case.
Replacing the Battery
Procedure for replacing the system's CMOS battery.
Chapter 9. FRU Lists
Machine Type 6136 FRUs
Lists Field Replaceable Units (FRUs) for Machine Type 6136.
Machine Type 7345 FRUs
Lists Field Replaceable Units (FRUs) for Machine Type 7345.
Chapter 10. Additional Service Information
BIOS Levels
Information on determining and obtaining the correct BIOS level.
Updating (Flashing) BIOS from a Disc
Instructions for updating the system BIOS from a disc.
Appendix. Notices
Trademarks
Lists Lenovo and third-party trademarks.
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