Dell OptiPlex 7090 Service Manual page 37

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 2. 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 2.5/3.5-inch hard-drive
2. Install the hard-drive and optical-drive
3. Install the front bezel.
4. Install the side cover.
caddy.
bracket.
Antenna-cable color
White
Black
Removing and installing components 37