Lenovo 5472, 3026, 3269, 3039, 5548, 5536 Replacing the internal speaker, Removing the system fan

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Figure 27. Removing the system fan

8.Align the four tabs on the bottom of the new system fan with the corresponding holes in the chassis, and push the new system fan straight down until it snaps into position.

9.Connect the system fan cable to the microprocessor fan connector on the system board. See “Locating parts on the system board” on page 9.

10.To reinstall the front bezel, align the three tabs on the front bezel with the corresponding holes in the chassis and pivot the front bezel inwards until it snaps into position.

What to do next:

To work with another piece of hardware, go to the appropriate section.

To complete the installation or replacement, go to “Completing the parts replacement” on page 32.

Replacing the internal speaker

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

This section provides instructions on how to replace the internal speaker.

Note: Not all computers have the internal speaker.

To replace the internal speaker, do the following:

28ThinkCentre User Guide

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Contents ThinkCentre User Guide Page ThinkCentre User Guide First Edition October Copyright Lenovo Contents Appendix A. Notices Important safety information Viii ThinkCentre User Guide Features Product overviewPower supply Specifications Preinstalled software programsSoftware overview Software provided by LenovoThinkVantage Productivity Center Locations Locating connectors on the front of your computer Adobe ReaderAntivirus software Locating connectors on the rear of your computer Connector DescriptionLocating components Component locationsLocating parts on the system board System board part locationsLocating internal drives Drive bay locationsInstalling or replacing hardware Installing or replacing hardwareInstalling external options Handling static-sensitive devicesAccessing the system board components and drives Opening the computer coverInstalling or replacing a memory module Pivoting the optical drive bay assemblyOpening the retaining clips Installing or replacing a PCI card What to do nextRemoving a PCI card Replacing the battery Installing the PCI cardRemoving the old battery Replacing the hard disk driveRemoving the hard disk drive Installing the hard disk drive Replacing the optical driveRemoving the old optical drive Replacing the power supply assembly Installing a new optical driveRemoving the retaining screws for the power supply assembly Removing the power supply assembly Replacing the heat sinkRemoving the heat sink Replacing the front audio and USB assembly Replacing the system fan Removing the front bezelReplacing the internal speaker Removing the system fanRemoving the front bezel Removing the internal speaker Installing the new internal speaker Replacing the keyboard or mouseCompleting the parts replacement Connecting a new keyboard or mouseInstalling security features Integrated cable lockPassword protection Erasing lost or forgotten passwords clearing CmosRecovery information Creating and using recovery mediaCreating recovery media Using recovery media Performing backup and recovery operationsPerforming a backup operation Performing a recovery operation Using the Rescue and Recovery workspaceCreating and using a rescue medium Creating a rescue mediumUsing a rescue medium Installing or reinstalling device driversSolving recovery problems Using the Setup Utility Starting the Setup Utility programViewing and changing settings Using passwordsPower-On Password Administrator PasswordHard Disk Password Setting, changing, and deleting a passwordExiting from the Setup Utility program Selecting a startup deviceSelecting a temporary startup device Selecting or changing the startup device sequenceThinkCentre User Guide Using system programs Updating flashing the Bios from a discUpdating system programs Updating flashing the Bios from your operating system Recovering from a POST/BIOS update failureTroubleshooting and diagnostics Basic troubleshootingDiagnostic programs Lenovo ThinkVantage ToolboxPC-Doctor for Rescue and Recovery PC-Doctor for DOSCleaning an optical mouse Getting information, help, and service Information resourcesOnline Books folder Lenovo ThinkVantage ToolsAccess Help Safety and WarrantyLenovo Welcome Help and service Using the documentation and diagnostic programsCalling for service Using other services Purchasing additional servicesAppendix A. Notices Television output notice European conformance CE mark TrademarksIndex CRURescue and Recovery workspace Page ThinkCentre User Guide Page 71Y7175