Dell Precision Tower 3620 Owner's Manual

Installing the power supply unit PSU

  1. Insert the PSU into the PSU slot and slide it toward the back of the computer until it clicks into place.
  2. Tighten the screws to secure the PSU to the computer.
  3. Route the PSU cables through the retention clips.
  4. Connect the PSU cables to the connectors on the system board.
  5. Install the cover.
  6. Follow the procedure in After Working Inside Your Computer .

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