This 3D experience gives you the step by step process of replacing the Internal antenna (White) and a OptiPlex Micro 7020. The procedure will also include removing the Side Cover, Wireless Module (WLAN) and reinstalling them.
Removal
Side Cover
Identify the side cover highlighted in blue.
Loosen the thumb screw that secures the side cover to the chassis.
Slide and lift the side cover off the chassis.
Wireless Module (WLAN)
Internal antenna (White)
Install
Internal antenna (White)
Wireless Module (WLAN)
Side Cover
Identify the side cover location highlighted in blue.
Slide the side cover into place towards the front of the computer.
Tighten the thumb screw that secure the side cover to the chassis.