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ThinkCentre User Guide
Models:
3126
3128
3120
3122
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94 pages
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Troubleshooting
Specs
Install
Password
Warranty
Solving recovery problems
Diagnostic programs
Accessing the microprocessor
Connector Description
Replacing the battery
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ThinkCentre
User Guide
Machine Types:
3120, 3122, 3126, and 3128
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Contents
ThinkCentre User Guide
Second Edition December Copyright Lenovo
Contents
Index
Important safety information
Iv ThinkCentre User Guide
Product overview
Features
Connectivity
Preinstalled operating system
Software overview
Specifications
Software provided with your Windows operating system
Lenovo ThinkVantage Tools
Locations
Lenovo Solution Center
Front connector, control, and indicator locations
Locating connectors and parts on the rear of your computer
Connector Description
If you use speech-recognition software
Locating parts on the system board
Locating components
System board part locations
Locating internal drives
Drive bay locations
Installing or replacing hardware
Installing or replacing hardware
Handling static-sensitive devices
Opening the computer cover
Installing external options
Removing the front bezel
Removing and reinstalling the front bezel
What to do next
Accessing the system board components and drives
Removing a memory module
Installing or replacing a memory module
Opening the retaining clips
Installing or replacing a PCI card
Removing a PCI card
Installing the PCI card
Installing the card reader
Installing or replacing the card reader
Installing the card reader
Installing the screw that secures the card reader
Replacing the card reader
Installing the card reader
Replacing the battery
Replacing the hard disk drive
Removing the old battery
Removing the hard disk drive
Removing the hard disk drive from the bracket
Replacing the optical drive
Installing the hard disk drive
Pivoting the optical drive bay
Removing the old optical drive
Installing a new optical drive
Replacing the heat sink and fan assembly
Screws that secure the heat sink and fan assembly
Removing the heat sink fan duct
Installing the heat sink fan duct
Replacing the power supply assembly
Installing or replacing hardware
Removing the heat sink fan duct
Power connectors on the system board
Installing the power supply assembly
Replacing the microprocessor
Accessing the microprocessor
Installing or replacing hardware
Replacing the internal speaker
Removing the front bezel
Removing the cover presence switch
Removing the internal speaker
Installing the new internal speaker
Reinstalling the cover presence switch
Replacing the front audio and USB assembly
Removing the front audio and USB assembly
Replacing the mouse
Replacing the keyboard
Mouse connectors
Completing the parts replacement
Password protection
Obtaining device drivers Basic security features
Integrated cable lock
Erasing a lost or forgotten password clearing Cmos
Creating and using recovery media
Recovery information
Creating recovery media
Performing backup and recovery operations
Using recovery media
Performing a backup operation
Using the Rescue and Recovery workspace
Performing a recovery operation
Using a rescue medium
Creating and using a rescue medium
Creating a rescue medium
Solving recovery problems
Installing or reinstalling device drivers
ThinkCentre User Guide
Starting the Setup Utility program
Using the Setup Utility program
Viewing or changing settings
Using passwords
Power-on password
Password considerations
Administrator password
Setting, changing, or deleting a password
Selecting a temporary startup device
Selecting a startup device
Viewing or changing the startup device sequence
Exiting the Setup Utility program
Updating flashing the Bios from a disc
Using system programs
Updating system programs
Recovering from a Post and Bios update failure
Updating flashing the Bios from your operating system
Updating system programs
ThinkCentre User Guide
Basic troubleshooting
Troubleshooting and diagnostic programs
Lenovo Solution Center
Diagnostic programs
PC-Doctor for DOS
Lenovo ThinkVantage Toolbox
Optical mouse
Cleaning the mouse
Non-optical mouse
Troubleshooting and diagnostic programs
ThinkCentre User Guide
Information resources
Getting information, help, and service
Online Books folder
Lenovo ThinkVantage Tools
Safety and warranty
Access Help
Lenovo Welcome
Lenovo Support Web site
Using the documentation and diagnostic programs
Help and service
Calling for service
Purchasing additional services
Using other services
Appendix A. Notices
Television output notice
Trademarks
ThinkCentre User Guide
CRU
Index
Installing options Memory module PCI card Security features
Set Power-On Password
ThinkCentre User Guide
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