Dell OptiPlex 3000 Tower Service Manual page 81

NOTE: Before disconnecting the cables from the system board, note the location of the connectors so that you can
reconnect the cables correctly after you replace the system board.
2. Remove the side cover.
3. Remove the front bezel.
4. Remove the fan duct.
5. Remove the memory module.
6. Remove the WLAN.
7. Remove the M.2 2230 SSD/M.2 2280
8. Remove the coin-cell
9. Remove the graphics
10. Remove the speaker.
11. Remove the intrusion
12. Remove the processor fan and heat-sink
13. Remove the processor.
About this task
The following image indicates the connectors on your system board.
1. Intrusion switch connector
SSD.
battery.
card.
switch.
assembly.
Removing and installing components 81