Installing The System Board - Dell OptiPlex 5080 Small Form Factor Service Manual

Steps
1. Remove the screw (6-32) that secures the I/O panel.
2. Lift the I/O panel away from the system board.
3. Disconnect the intrusion switch cable.
4. Disconnect the system board power supply cables.
5. Disconnect the power button switch cable.
6. Disconnect the system fan cable.
7. Disconnect the processor power supply cable.
8. Disconnect the SATA cables.
9. Disconnect the SATA power cable.
10. Disconnect the internal speaker cable.
11. Remove the four Screws (6-32) and the single standoff screw (M2X4).
12. Lift and slide the system board out.

Installing the system 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 system board and provides a visual representation of the installation procedure.
40 Field service information