Dell OptiPlex 3000 Small Form Factor Service Manual page 46

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 3. Antenna-cable color scheme
Connectors on the wireless card
Main (white triangle)
Auxiliary (black triangle)
2. Slide and 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.
4. Slide the wireless card at an angle into the wireless-card slot.
5. Replace the screw (M2x3) that secures the wireless card to the system board.
Next steps
1. Install the disk-drive cage.
2. Install the 3.5-inch hard-drive.
3. Install the 2.5-inch hard-drive.
4. Install the front bezel.
5. Install the side cover.
6. Follow the procedure in
46 Removing and installing components
after working inside your
Antenna-cable color
White
Black
computer.