Dell Vostro 3515 2V448 Service Manual page 32

Steps
1. Connect the antenna cables to the wireless card.
The following table provides the antenna-cable color scheme for the wireless card supported by your computer.
Table 2. Antenna-cable color scheme
Connectors on the wireless card
Main (white triangle)
Auxiliary (black triangle)
2. Slide the wireless card into the WLAN slot on the system board.
3. Place the wireless card bracket on the wireless card.
4. Replace the screw (M2x3) that secures the wireless card bracket to the system board.
Next steps
1. Install the base cover.
2. Install the SD card.
3. Follow the procedure in
32 Removing and installing components
After working inside your
Antenna-cable color
White
Black
computer.