Dell OptiPlex 3000TC Service Manual page 21

Steps
1. Connect the WLAN antenna cables to the connectors on the WLAN card.
The following table provides the antenna-cable color scheme for the WLAN card of your computer.
Table 2. Antenna-cable color scheme
Connectors on the wireless card
Main (white triangle)
Auxiliary (black triangle)
2. Align and place the WLAN-card bracket on the WLAN card to secure the antenna cables.
3. Align the notch on the WLAN card with the tab on the WLAN-card slot on the system board.
4. Slide the WLAN card at an angle into the WLAN-card slot on the system board.
5. Replace the (M2x3.5) screw to secure the WLAN-card bracket and the WLAN card on the system board.
Next steps
1. Install the side cover.
2. Follow the procedure in after working inside your
Antenna-cable color
White
Black
computer.
Removing and installing components 21