Replacing The Chassis - Dell EMC OptiPlex 3090 Ultra Service Manual

Replacing the chassis

Prerequisites
1. Follow the procedure in
2. Remove the hard-drive
3. Remove the cover.
4. Remove the system fan.
5. Remove the WLAN card.
6. Remove the solid-state
7. Remove the power button
8. Remove the memory module.
9. Remove the coin-cell
10. Remove the system board.
About this task
After removing the above components, we are left with the chassis.
44 Removing and installing components
before working inside your
assembly.
drive.
battery.
device.