Installing The System Board - Dell OptiPlex 3000 Tower Service Manual

Steps
1. Remove the (#6-32) screw that secures the front I/O-bracket to the chassis.
2. Slide and remove the front I/O-bracket from the chassis.
3. Disconnect the power and HDD cables that are connected to the system board and unroute them from the routing guides on
the chassis.
4. Remove the eight (#6-32) screws that secure the system board to the chassis.
5. Remove the (M2x4) screw that secures the system board to the chassis.
6. Lift the system board at an angle and remove the system board off 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 connectors on your system board.
Removing and installing components 85