IBM 8183 manual Removing and replacing the fan assembly

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5.Lift the tab and slide the power button and LED assembly2out. See Figure 1 on page 43.

6.Install the new power button and LED assembly and reconnect the power button and LED assembly cable.

7.Lower the drive bay assembly.

8.Replace the cover, and connect the cables. See “Closing the cover and connecting the cables” on page 25.

Removing and replacing the fan assembly

Important

Before you install or remove any component, read “Important safety information” on page v. These precautions and guidelines will help you work safely.

To replace the fan assembly:

1.Turn off the computer and disconnect the power cord from the electrical outlet and from the computer.

2.Rotate the drive bay assembly upward to gain access to the fan assembly3. See Figure 1 on page 43.

3.Disconnect fan assembly cable from the system board. See “Identifying parts on the system board” on page 13.

Note: Make sure you note the location of the cable that you disconnect from the system board.

4.Remove the front bezel by releasing the tab as shown.

44User Guide

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Contents User Guide Types 8183, 8184, 8320 Types 8417, 8418, 8419 Page User Guide Types 8183, 8184, 8320 Types 8417, 8418, 8419 Page Contents Iv User Guide Important safety information Conditions that require immediate actionService General safety guidelinesPower cords and power adapters Plugs and outlets Extension cords and related devicesBatteries Additional safety information CD and DVD drive safetyHeat and product ventilation To connect To disconnect Lithium battery notice Modem safety informationLaser compliance statement Xii User Guide Overview Information resourcesFeatures System summaryExpansion Available options Specifications EnvironmentSupported operating positions Installing external options Installing optionsHandling static-sensitive devices Cover keylock some models Locating connectors on the rear of your computer Obtaining device driversOpening the cover Locating components Accessing system board components and drives Identifying parts on the system board Installing memory Installing PCI adapters Installing internal drives What to do nextSerial ATA IDE hard disk drive Removing and replacing a CD-ROM, CD-RW, or DVD optical drive Removing and replacing a hard disk drive Connecting a serial ATA hard disk drive Removing and replacing a diskette driveConnecting an IDE drive Installing security featuresIdentifying security locks Integrated security cableInstalling options Rope clip Password protectionCover lock Erasing a lost or forgotten password clearing Cmos Closing the cover and connecting the cablesUser Guide Starting the IBM Setup Utility program Using the IBM Setup UtilityViewing and changing settings User password Exiting from the IBM Setup Utility programUsing passwords Administrator passwordUsing Security Profile by Device Using IDE Drives SetupSelecting a temporary startup device Advanced settingsSelecting a startup device Changing the startup device sequenceAppendix A. Replacing customer replaceable units CRU CRU list Removing and replacing the power supply assembly User Guide Appendix A. Replacing customer replaceable units CRU Removing and replacing the system board assembly Disconnect all other cables connected to the system board Removing the microprocessor Appendix A. Replacing customer replaceable units CRU Replacing the microprocessor Removing and replacing the battery Removing and replacing the speaker Removing and replacing the power button and LED assembly Speaker, fan, power button and LED assemblyRemoving and replacing the fan assembly Appendix A. Replacing customer replaceable units CRU Completing the installation Updating flashing Bios from a diskette Appendix B. Updating POST/BIOSUpdating flashing Bios from your operating system Recovering from a POST/BIOS update failure Cleaning an optical mouse Appendix C. Cleaning the mouseCleaning a mouse with a ball User Guide Appendix D. Manual modem commands Basic AT commandsLow speaker volume Extended AT commands Enable RTS/CTS hardware flow controlMNP/V.42/V.42bis/V.44 commands +MS=?Fax Class 1 commands Fax Class 2 commandsVoice commands Appendix D. Manual modem commands User Guide Appendix E. Notices Trademarks IBMIndex Special characters CRUPOST/BIOS Page Part Number 13R9208

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