Dell OptiPlex Micro Plus 7010 Owner's Manual page 46

Steps
1. Connect the antenna cables to the wireless card.
Table 25. Antenna-cable color scheme
Connectors on the
wireless card
Main
Auxiliary
2. Place the wireless-card bracket on the wireless card
3. Align the notch on the wireless card with the tab on the wireless-card slot (M.2 WLAN).
4. Slide the wireless card at an angle into the wireless-card slot (M.2 WLAN).
5. Replace the screw (M2x3.5) that secures the wireless-card bracket to the wireless card.
Next steps
1. Install the side cover.
2. Follow the procedure in
46 Removing and installing Customer Replaceable Units (CRUs)
Antenna-cable color
White
Black
After working inside your
Silkscreen marking
MAIN
AUX
computer.
△ (white triangle)
▲ (black triangle)