Dell OptiPlex Micro Plus 7010 Owner's Manual page 77

Steps
1. Remove the fillers on the side cover.
2. Tilt the SMA antenna assembly.
3. Align and place the antenna bracket on the system board.
4. Insert the SMA antenna assembly in the back view opening.
5. Align the screw hole on the SMA antenna assembly with the screw hole on the back view.
6. Replace the screw (M3x3) that secures the SMA antenna assembly to the chassis.
7. Route the SMA antenna assembly cables through the routing guides on the chassis.
Removing and installing Field Replaceable Units (FRUs) 77