Power-Button Board; Removing The Power-Button Board - Dell OptiPlex 7490 All-In-One Service Manual

Power-button board

Removing the power-button board

Prerequisites
1. Follow the procedure in
2. Remove the stand.
3. Remove the cable cover
4. Remove the back cover.
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 board 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 away from the middle frame.
68 Removing and installing components
Before working inside your
(optional).
shield.
bracket.
computer.