Dell OptiPlex 3020–Mini Tower Owner's Manual

Installing the Power Supply

  1. Place the power supply in the chassis and slide towards the back of the system to secure it.
  2. Tighten the screws to secure the power supply to the back of the computer.
  3. Connect the 4-pin and 8-pin power cables to the system board.
  4. Thread the power cables through the chassis clips.
  5. Install the cover.
  6. Follow the procedures in After Working Inside Your Computer.

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