Installing The System Board - Dell OptiPlex 3000 Small Form Factor Service Manual

Steps
1. Remove the screw (6-32) that secures the front I/O bracket to the chassis.
2. Rotate and remove the front I/O-bracket from the chassis
3. Disconnect all the cables that are connected to the system board.
4. Remove the seven screws (#6-32) that secure the system board to the chassis.
5. Free the system board from the back I/O panel by sliding it towards the right and lift the system board out of the chassis.

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.
Removing and installing components 73