Power-Button Board; Removing The Power-Button Board - Dell OptiPlex 7480 All-In-One Service Manual

2. Install the bottom cover.
3. Install the system-board
4. Install the back cover.
5. Install the cable cover (optional).
6. Install the stand.
7. Follow the procedure in

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 bracket.
8. Remove the speakers.
About this task
The following image 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. Unroute the power-button board cable from the display-assembly base, then slide the power-button board cable out from under the
antenna cables.
3. Remove the screw (M3x5) that secures the power-button board to the middle frame.
4. Lift the power-button board, along with its cable, off the middle frame.
70 Removing and installing components
shield.
After working inside your computer.
Before working inside your
(optional).
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computer.