Lenovo
7539, 7548, 104, 154
manual
0A22638
Troubleshooting
Specifications
Install
Password
Warranty
Solving recovery problems
Diagnostic programs
Accessing the microprocessor
Connector Description
Replacing the battery
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Part Number: 0A22638
Printed in USA
(1P) P/N: 0A22638
*0A22638*
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Contents
ThinkCentre User Guide
Page
ThinkCentre User Guide
First Edition November Copyright Lenovo
Contents
Appendix A. Notices
Important safety information
Vi ThinkCentre User Guide
Features
Product overview
Connectivity
Specifications
Security features
Software overview
Software provided with your Windows operating system
Lenovo ThinkVantage Tools
Locations
Lenovo ThinkVantage Toolbox
Locating connectors and parts on the rear of your computer
Rear connector and part locations
Connector Description
Locating components
Locating parts on the system board
Component locations
Locating internal drives
System board part locations
Drive bay locations
ThinkCentre User Guide
Installing external options
Installing or replacing hardware
Installing or replacing hardware
Handling static-sensitive devices
Removing the computer cover
Removing the computer cover
Removing and reinstalling the front bezel
Removing the front bezel
Accessing the system board components and drives
Reinstalling the front bezel
Installing or replacing a PCI card
Pivoting the drive bay assembly upward
ThinkCentre User Guide
Removing the PCI card
Installing or replacing a memory module
What to do next
Removing the memory module
Replacing the battery
Installing the memory module
Replacing the heat sink and fan assembly
Removing the old battery
Removing the heat sink fan duct
Screws that secure the heat sink and fan assembly
Installing the heat sink fan duct
Replacing the microprocessor
Accessing the microprocessor
Replacing the power supply assembly
Removing the microprocessor
Installing or replacing hardware
Removing the power supply assembly
Installing the power supply assembly
Replacing the optical drive
Removing the optical drive screws
Slide the optical drive out of the front of the computer
Installing the optical drive
Replacing the hard disk drive
Pivoting the drive bay assembly
Removing the hard disk drive
Installing the hard disk drive
Replacing the card reader
Replacing the front fan assembly
Removing the card reader
Removing the front fan assembly
Installing the front fan assembly
Replacing the keyboard
Keyboard connectors
Replacing the mouse
Completing the parts replacement
Mouse connectors
Obtaining device drivers Basic security features
Reinstalling the computer cover
Installing an integrated cable lock
Integrated cable lock
Padlock
Password protection
Erasing a lost or forgotten password clearing Cmos
Installing or replacing hardware
ThinkCentre User Guide
Creating recovery media
Recovery information
Creating and using recovery media
Performing a backup operation
Using recovery media
Performing backup and recovery operations
Performing a recovery operation
Using the Rescue and Recovery workspace
Creating a rescue medium
Creating and using a rescue medium
Using a rescue medium
Installing or reinstalling device drivers
Solving recovery problems
ThinkCentre User Guide
Viewing or changing settings
Using the Setup Utility program
Starting the Setup Utility program
Using passwords
Administrator password
Password considerations
Power-on password
Setting, changing, or deleting a password
Viewing or changing the startup device sequence
Selecting a startup device
Selecting a temporary startup device
Exiting the Setup Utility program
Updating system programs
Using system programs
Updating flashing the Bios from a disc
Updating flashing the Bios from your operating system
Recovering from a Post and Bios update failure
Updating system programs
ThinkCentre User Guide
Troubleshooting and diagnostic programs
Basic troubleshooting
PC-Doctor for DOS
Diagnostic programs
Lenovo ThinkVantage Toolbox
Cleaning an optical mouse
Running the diagnostic program from the diagnostic disc
ThinkCentre User Guide
Online Books folder
Getting information, help, and service
Information resources
Lenovo ThinkVantage Tools
Help and service
Access Help
Safety and warranty
Lenovo Welcome
Using the documentation and diagnostic programs
Calling for service
Using other services
Purchasing additional services
Appendix A. Notices
Television output notice
European conformance CE mark Trademarks
Index
CRU
Keyboard replacing Lenovo Customer Support Center
Solving recovery problems Starting the Setup Utility program
ThinkCentre User Guide
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