Lenovo 3122, 3120, 3128, 3126 manual Updating system programs

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12.Reinstall any parts and reconnect any cables that have been removed or disconnected.

13.Close the computer cover and reconnect power cords and all other external cables. See “Completing the parts replacement” on page 52.

14.Turn on the computer and remove the disc from the optical drive.

Chapter 5. Updating system programs 67

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Contents ThinkCentre User Guide Second Edition December Copyright Lenovo Contents Index Important safety information Iv ThinkCentre User Guide Product overview FeaturesConnectivity Preinstalled operating system Software overview SpecificationsSoftware provided with your Windows operating system Lenovo ThinkVantage Tools Locations Lenovo Solution CenterFront connector, control, and indicator locations Locating connectors and parts on the rear of your computerConnector Description If you use speech-recognition software Locating parts on the system board Locating componentsSystem board part locations Locating internal drivesDrive bay locations Installing or replacing hardware Installing or replacing hardwareHandling static-sensitive devices Opening the computer cover Installing external optionsRemoving the front bezel Removing and reinstalling the front bezelWhat to do next Accessing the system board components and drivesRemoving a memory module Installing or replacing a memory moduleOpening the retaining clips Installing or replacing a PCI cardRemoving a PCI card Installing the PCI card Installing the card reader Installing or replacing the card readerInstalling 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 batteryRemoving the hard disk drive Removing the hard disk drive from the bracket Replacing the optical drive Installing the hard disk drivePivoting the optical drive bay Removing the old optical drive Installing a new optical drive Replacing the heat sink and fan assemblyScrews that secure the heat sink and fan assembly Removing the heat sink fan duct Installing the heat sink fan duct Replacing the power supply assemblyInstalling 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 assemblyRemoving the front audio and USB assembly Replacing the mouse Replacing the keyboardMouse connectors Completing the parts replacementPassword protection Obtaining device drivers Basic security featuresIntegrated cable lock Erasing a lost or forgotten password clearing Cmos Creating and using recovery media Recovery informationCreating recovery media Performing backup and recovery operations Using recovery mediaPerforming a backup operation Using the Rescue and Recovery workspace Performing a recovery operationUsing a rescue medium Creating and using a rescue mediumCreating a rescue medium Solving recovery problems Installing or reinstalling device driversThinkCentre User Guide Starting the Setup Utility program Using the Setup Utility programViewing or changing settings Using passwordsPower-on password Password considerationsAdministrator password Setting, changing, or deleting a passwordSelecting a temporary startup device Selecting a startup deviceViewing or changing the startup device sequence Exiting the Setup Utility program Updating flashing the Bios from a disc Using system programsUpdating system programs Recovering from a Post and Bios update failure Updating flashing the Bios from your operating systemUpdating system programs ThinkCentre User Guide Basic troubleshooting Troubleshooting and diagnostic programsLenovo Solution Center Diagnostic programsPC-Doctor for DOS Lenovo ThinkVantage ToolboxOptical mouse Cleaning the mouseNon-optical mouse Troubleshooting and diagnostic programs ThinkCentre User Guide Information resources Getting information, help, and serviceOnline Books folder Lenovo ThinkVantage ToolsSafety and warranty Access HelpLenovo Welcome Lenovo Support Web siteUsing the documentation and diagnostic programs Help and serviceCalling for service Purchasing additional services Using other servicesAppendix A. Notices Television output notice Trademarks ThinkCentre User Guide CRU IndexInstalling options Memory module PCI card Security features Set Power-On Password ThinkCentre User Guide Page 0A94223