Installing The Side-I/O Board - Dell OptiPlex 5480 All-in-One Service Manual

6. Remove the system-board
7. Remove the bottom cover.
8. Remove the rear-I/O bracket.
About this task
The following image indicates the location of the side-I/O board and provides a visual representation of the removal procedure.
Steps
1. Remove the two screws (M3x5) that secure the side-I/O board shield to the display-assembly base.
2. Lift and remove the side I/O-board shield off the side-I/O board.
3. Disconnect the SIO-signal cable, SIO-power cable, and audio-board cable from the connector on the system board.
4. Remove the SIO-signal cable, SIO-power cable, and audio-board cable from the routing guides on the display-assembly base.
5. Remove the two screws (M2.5x3.5) that secure the side-I/O board to the display-assembly base.
6. Lift and remove the side-I/O board with the cables off the display-assembly base.

Installing the side-I/O board

Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
shield.
Removing and installing components 75