Lenovo 104, 7548, 7539 Installing or replacing a PCI card, Pivoting the drive bay assembly upward

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4. Pivot the drive bay assembly upward to access all the internal drives, cables, and other components.

Figure 9. Pivoting the drive bay assembly upward

5.To lower the drive bay assembly, press the drive bay assembly clip assembly downward as shown.

1

inward and pivot the drive bay

Figure 10. Lowering the drive bay assembly

Installing or replacing a PCI card

Attention:

Do not open your computer or attempt any repair before reading and understanding the “Important safety information” in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to:

http://www.lenovo.com/support

Chapter 2. Installing or replacing hardware 17

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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 Product overview FeaturesConnectivity Security features SpecificationsSoftware provided with your Windows operating system Software overviewLenovo ThinkVantage Tools Lenovo ThinkVantage Toolbox LocationsRear connector and part locations Locating connectors and parts on the rear of your computerLocating components Connector DescriptionComponent locations Locating parts on the system boardSystem board part locations Locating internal drivesDrive bay locations ThinkCentre User Guide Installing or replacing hardware Installing or replacing hardware Installing external options Handling static-sensitive devicesRemoving the computer cover Removing the computer coverRemoving the front bezel Removing and reinstalling the front bezelReinstalling the front bezel Accessing the system board components and drivesPivoting the drive bay assembly upward Installing or replacing a PCI cardThinkCentre User Guide Removing the PCI card What to do next Installing or replacing a memory moduleRemoving the memory module Installing the memory module Replacing the batteryRemoving the old battery Replacing the heat sink and fan assemblyRemoving the heat sink fan duct Screws that secure the heat sink and fan assembly Replacing the microprocessor Installing the heat sink fan ductAccessing the microprocessor Removing the microprocessor Replacing the power supply assemblyInstalling 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 Replacing the hard disk drive Installing the optical drivePivoting the drive bay assembly Removing the hard disk drive Replacing the card reader Installing the hard disk driveRemoving the card reader Replacing the front fan assemblyRemoving the front fan assembly Replacing the keyboard Installing the front fan assemblyReplacing the mouse Keyboard connectorsMouse connectors Completing the parts replacementReinstalling the computer cover Obtaining device drivers Basic security featuresIntegrated cable lock Installing an integrated cable lockErasing a lost or forgotten password clearing Cmos Password protectionPadlock Installing or replacing hardware ThinkCentre User Guide 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 ThinkVantage Toolbox Diagnostic programsPC-Doctor for DOS Running the diagnostic program from the diagnostic disc Cleaning an optical mouseThinkCentre User Guide Information resources Getting information, help, and serviceOnline Books folder Lenovo ThinkVantage ToolsSafety and warranty Access HelpHelp and service Lenovo WelcomeCalling for service Using the documentation and diagnostic programsPurchasing additional services Using other servicesAppendix A. Notices European conformance CE mark Trademarks Television output noticeCRU IndexKeyboard replacing Lenovo Customer Support Center Solving recovery problems Starting the Setup Utility program ThinkCentre User Guide Page 0A22638