OptiPlex 7780 All-In-One Service Manual

Installing the wireless card

If you are replacing a component, remove the existing component before performing the installation procedure.

CAUTION:To avoid damage to the wireless card, route the antenna cables accurately.

The following image provides a visual representation of the wireless card installation procedure.

Image: Installing the wireless card

Connect the antenna cables to the wireless card.

The following table provides the antenna-cable color scheme:

Table 1. Antenna-cable color schemeThe table provides the antenna-cable color scheme for the wireless card that is supported by your computer.
Connectors on the wireless card	Antenna-cable color
Main (white triangle)	White
Auxiliary (black triangle)	Black

Place the wireless-card bracket on the wireless card.
Align the notch on the wireless card with the tab on the wireless-card slot.
Slide the wireless card at an angle into the wireless-card slot.
Replace the screw (M2x2.5) to secure the wireless-card bracket to the wireless card.
Align and place the wireless-card shield on the system board and wireless card.
Replace the two screws (M2x2.5) to secure the wireless-card shield to the system board.
Route the antenna cables through the routing guides on the wireless-card shield.