Side I/O-Board; Removing The Side-I/O Board - Dell OptiPlex 7780 All-In-One Service Manual

Steps
1. Align the screw holes on the microphone modules with the screw holes on the middle frame.
2. Replace the four screws (M2X2.5) to secure the microphone modules to the middle frame.
3. Route the microphone cable through the routing guides on the display-assembly base and connect the microphone cable to the
system board.
Next steps
1. Install the speakers.
2. Install the rear-I/O bracket.
3. Install the bottom cover.
4. Install the system-board
5. Install the back cover.
6. Install the cable cover (optional).
7. Install the stand.
8. Follow the procedure in

Side I/O-board

Removing the side-I/O board

Prerequisites
1. Follow the procedure in
2. Remove the stand.
3. Remove the cable cover
4. Remove the back cover.
shield.
After working inside your computer.
Before working inside your
(optional).
computer.
Removing and installing components 71