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OptiPlex 990 Small Form Factor (SFF) Removal Guide for the Heatsink, Intrusion Switch, IO Panel, Internal Speaker and Power Supply


Table of Contents:

  1. Heatsink/Processor
  2. Intrusion Switch
  3. I/O Panel
  4. Internal Speaker
  5. Power Supply

This article provides information on removing components from a OptiPlex 990 Small Form Factor.


1. Heatsink/Processor

1. Pre-Removal Instructions Before removing the Heatsink/Processor:

  • During installation or removal of any hardware always ensure all data is backed up properly

  • Disconnect any telephone, network, or USB cables from the computer

  • Disconnect the computer and all attached devices from their electrical outlets

  • Remove the system cover, front bezel and drive cage

2. Establishing image.



3. Disconnect the heat sink/fan assembly cable from the system board.



4. Release the I/O Board/FlyWire cable from the routing on the heatsink.



5. Use a Phillips head screwdriver to loosen the four captive screws (1 > 2 > 3 > 4) securing the heat sink/fan assembly to the system board.



6. Lift the heat sink/fan assembly upward gently, and remove it from the system. Lay the assembly with the fan facing downward, and with the thermal grease facing upward.



7. Press the release lever down and then move it outward to release it from the retention hook that secures it.



8. Lift the processor cover.



9. Lift the processor to remove it from the socket and place it into antistatic packaging.



10. Complete.




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2. Intrusion Switch

1. Pre-Removal Instructions Before removing the Intrusion Switch:

  • During installation or removal of any hardware always ensure all data is backed up properly

  • Disconnect any telephone, network, or USB cables from the computer

  • Disconnect the computer and all attached devices from their electrical outlets

  • Remove the system cover

2. Establishing image.



3. Disconnect the intrusion cable from system board.



4. Slide the intrusion switch inward and remove it from the chassis.



5. Complete.




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3. I/O Panel

1. Pre-Removal Instructions Before removing the I/O Panel:

  • During installation or removal of any hardware always ensure all data is backed up properly

  • Disconnect any telephone, network, or USB cables from the computer

  • Disconnect the computer and all attached devices from their electrical outlets

  • Remove the system cover, front bezel and drive cage

2. Establishing image.



3. Unthread the I/O Board/FlyWire cable from the fan shelter clip and heat sink.



4. Disconnect the I/O Board/FlyWire cable from the system board.



5. Use a Phillips head screwdriver to remove the single screw securing the I/O Board to the chassis.



6. Slide the I/O Board towards the right of the system to release from chassis.



7. Remove the I/O Board.



8. Complete.




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4. Internal Speaker

1. Pre-Removal Instructions Before removing the Internal Speaker:

  • During installation or removal of any hardware always ensure all data is backed up properly

  • Disconnect any telephone, network, or USB cables from the computer

  • Disconnect the computer and all attached devices from their electrical outlets

  • Remove the system cover, front bezel and drive cage

2. Establishing image.



3. Disconnect the speaker cable from the system board.



4. Unthread the internal speaker cable from the fan shelter clip.



5. Press the speaker securing tab and slide the Speaker towards the right of the system to release it.



6. Remove the speaker from the chassis.



7. Complete.




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5. Power Supply

1. Pre-Removal Instructions Before removing the Power Supply:

  • During installation or removal of any hardware always ensure all data is backed up properly

  • Disconnect any telephone, network, or USB cables from the computer

  • Disconnect the computer and all attached devices from their electrical outlets

  • Remove the system cover, front bezel, drive cage and fan shelter

2. Establishing image.



3. Disconnect the 4-pin power cable from the system board.



4. Unthread the 4-pin power cable from the chassis clips.



5. Disconnect the 24-pin power cable from the system board.



6. Use a Phillips head screwdriver to remove the three screws securing the power supply from the back of the system.



7. Push in on the blue release tab beside the power supply, and slides the power supply inward.



8. Lift the power supply out of the system.



9. Complete.



Return to the Optiplex 990 Teardown/Removal Index.

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Identyfikator artykułu: SLN293274

Data ostatniej modyfikacji: 10/01/2015 08:05 AM


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