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OptiPlex XE3 Tower Service Manual

Installing power supply unit or PSU

  1. Insert the PSU into the PSU slot and slide it toward the back of the computer until it clicks into place{1,2]
    The image displays to insert the PSU into the PSU slot and slide to click into place
  2. Tighten the screws (3) to secure the PSU to the computer chassis [3].
  3. Route the PSU cables through the retention clips [2,3,4,5].
  4. Connect the PSU cables to the connectors on the system board [1,6].
    The image displays connecting the PSU cables
  5. Close the front panel door.
  6. Install the:
    1. front bezel
    2. side cover
  7. Follow the procedure in After working inside your computer.

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