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OptiPlex XE3 Small Form Factor Service Manual

PDF

Installing the power supply unit or PSU

  1. Insert the PSU in the chassis and slide it towards the back of the system to secure it [1, 2].
  2. Replace the screws to secure the PSU to the rear chassis of the system [3].
    The image displays how to install PSU
  3. Connect the power cable to the connector on the system board [1].
  4. Route the CPU power cable through the retention clips [2,3].
  5. Connect the CPU power cable to the connector on the system board [4].
    The image displays how to route the cables in routing clips and connecting the CPU power cable to the connector
  6. Install the:
    1. Heat sink fan
    2. Heat sink duct
    3. Hard drive and optical drive module
    4. HDD assembly
    5. Front bezel
    6. Side cover
  7. Follow the procedure in After working inside your computer.

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