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OptiPlex 5400 Service Manual

PDF

Removing the power-button board

Prerequisites

  1. Follow the procedure in Before working inside your computer.
  2. Remove the stand.
  3. Remove the cable cover (optional).
  4. Remove the back cover.
  5. Remove the system-board shield.
  6. Remove the bottom cover.
  7. Remove the rear-I/O bracket.
  8. Remove the speakers.

About this task

The following image indicates the location of the power-button board and provides a visual representation of the power-button board removal procedure.

Image: Removing the power-button board

Steps

  1. Open the latch and disconnect the power-button cable from the connector on the system board.
  2. Remove the screw (M3x5) that secures the power-button board to the middle frame.
  3. Lift the power-button board along with cable off the middle frame.

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