Dell P121G Service Manual page 26

Steps
1. Lift the mylar that covers the wireless-card slot.
2. Align the notch on the wireless card with the tab on the wireless-card slot and insert the wireless card at an angle into the
wireless-card slot.
3. 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)
4. Adhere the tape that secures the wireless card to the system board.
5. Align and place the wireless-card bracket on the wireless card.
6. Replace the screw (M2x2.5) to secure the wireless-card bracket to the wireless card.
Next steps
1. Install the base cover.
2. Follow the procedure in
26 Removing and installing components
After working inside your
Antenna-cable color
White
Black
computer.