Power-Button Board; Removing The Power-Button Board - Dell OptiPlex 5480 All-in-One Service Manual

Steps
1. Align the screw holes on the speakers with the screw holes on the display-assembly base.
2. Replace the six screws (M3 4+7.1xZN) to secure the speakers to the display-assembly base.
3. Route the speaker cable through the routing guide on display-assembly base and connect the speaker cable to the system board.
Next steps
1. Install the rear-I/O bracket.
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
70 Removing and installing components
shield.
After working inside your computer.
Before working inside your computer.