OptiPlex 3080 Tower Service Manual

Installing the system board

If you are replacing a component, remove the existing component before performing the installation procedure.

The following images indicate the location of the system board and provides a visual representation of the installation procedure.

Installing the system board

Slide the front I/O-ports on the system board into the front I/O-slots on the chassis and align the screw holes on the system board with the screw holes on the chassis.
Replace the M.2 card standoff (#6-32) screw and eight (#6-32) screws that secure the system board to the chassis.
Route and connect all the cables to the connectors on the system board.
Align the front I/O-bracket with the slots on the chassis.
Replace the two (#6-32) screws to secure the front I/O-bracket to the chassis.

Install the processor.
Install the processor fan and heat-sink assembly.
Install the coin-cell battery.
Install the graphics card/powered GPU.
Install the M.2 2230 SSD/M.2 2280 SSD.
Install the wireless.
Install the memory module.
Install the fan duct
Install the front bezel.
Install the side cover.
Follow the procedure in after working inside your computer.
NOTE:Your computer’s Service Tag is stored in the system board. You must enter the Service Tag in the BIOS setup program after you replace the system board.
NOTE:Replacing the system board removes any changes that you have made to the BIOS using the BIOS setup program. You must make the appropriate changes again after you replace the system board.