Installing The Power-Button Board - Dell OptiPlex 5400 Service Manual

5. Remove the system-board
6. Remove the bottom cover.
7. Remove the rear-I/O
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.
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.

Installing the power-button board

Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the location of the power-button board and provides a visual representation of the power-button
board installation procedure.
shield.
bracket.
Removing and installing components 73