System Board; Removing The System Board - Dell OptiPlex 3090 Micro Service Manual

NOTE: The pin-1 corner of the processor has a triangle that aligns with the triangle on the pin-1 corner on the processor
socket. When the processor is properly seated, all four corners are aligned at the same height. If one or more corners of
the processor are higher than the others, the processor is not seated properly.
2. When the processor is fully seated in the socket, close the processor cover.
3. Press down and push the release lever under the securing tab to lock it.
Next steps
1. Install the heat sink.
2. Install the fan assembly.
3. Install the side cover.
4. Follow the procedure in

System board

Removing the system board

Prerequisites
1. Follow the procedure in
2. Remove the side cover.
3. Remove the hard drive
4. Remove the solid-state
5. Remove the WLAN card.
6. Remove the fan assembly.
7. Remove the heat sink.
8. Remove the memory modules.
9. Remove the speaker.
10. Remove the optional IO
11. Remove the processor.
About this task
The following images indicate the location of the system board and provide a visual representation of the removal procedure.
after working inside your
before working inside your
assembly.
drive.
module.
computer.
computer.
Removing and installing components 47