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Dell OptiPlex 9020 Ultra Small Form Factor Owner's Manual

PDF

Removing the Power Supply Unit

  1. Follow the procedures in Before Working Inside Your Computer .
  2. Remove:
    1. cover
    2. front bezel
    3. drive cage
    4. intrusion switch
  3. Disconnect the power cables and remove the screw that secures the power supply to the system board.
    Figure displaying how to disconnect the power cable and how to remove the screw that secures the power supply from the system board.
  4. Remove the screw that secures the power supply to the chassis.
    Figure displaying how to remove the screw that secures the power supply to the chassis.
  5. Slide the power supply inward and lift the power supply unit out of the computer.
    Figure displaying how to remove the power supply unit out of the computer.

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