Dell OptiPlex 7080 Tower Service Manual page 57

Steps
1. Connect the antenna cables to the WLAN card.
The following table provides the antenna-cable color scheme for the WLAN card of your computer.
Table 7. Antenna-cable color scheme
Connectors on the wireless card
Main (white triangle)
Auxiliary (black triangle)
2. Place the WLAN card bracket to secure the WLAN antenna cables.
3. Insert the WLAN card into the connector on the system board.
4. Replace the (M2x3.5) screw to secure the plastic tab to the WLAN card.
Next steps
1. Install the powered GPU.
NOTE: This step is required only if the system is configured with powered GPU.
2. Install the side cover.
3. Follow the procedure in after working inside your computer.
Antenna-cable color
White
Black
Disassembly and reassembly 57