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OptiPlex 790 (DT) Removal Guide for the Memory, Intrusion Switch, Internal Speaker, Heat Sink Processor and Coin Cell Battery


Table of Contents:

  1. Memory Removal
  2. Intrusion Switch Removal
  3. Internal Speaker Removal
  4. Heatsink/Processor Removal
  5. Coin-Cell Battery Removal

This article provides information on removing components from a OptiPlex 790 Desktop.


1. Memory Removal

1. Pre-Removal Instructions Before removing the Memory:

  • 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. Press down on the memory retaining tabs on each side of the memory modules.



4. Lift the memory modules out of the connectors on the system board.



5. Complete.




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2. Intrusion Switch Removal

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. Internal Speaker Removal

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.

2. Establishing image.



3. Disconnect the speaker cable from the system board



4. Unthread the internal speaker cable from the chassis clip



5. Press down the speaker securing tab and slide the Speaker upwards for removal.



6. Complete.




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4. Heatsink/Processor Removal

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.

2. Establishing image.



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



4. 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.



5. 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.



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



7. Lift the processor cover.



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



9. Complete.




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5. Coin-Cell Battery Removal

1. Pre-Removal Instructions Before removing the Coin-Cell Battery:

  • 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. Press the coin cell battery inward to allow the battery to pop up from the socket.



4. Lift the coin-cell battery out of the system and properly dispose of the battery.



5. Complete.


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문서 ID: SLN296923

최종 수정일: 09/03/2015 09:31 AM


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