Dell XPS 8500 (Early 2012) - Manual (Page 55)

Replacing the Mini-Card Antennas
1 Place the Mini-Card antennas in position and replace the screws that
secure the Mini-Card antennas to the top panel.
2 Route the Mini-Card antenna cables through the routing guides.
3 Connect the appropriate antenna cables to the WLAN card you are
installing. The WLAN card has two triangles marked on the label (black
and white):
• Connect the black cable to the connector marked with a black
triangle.
• Connect the white cable to the connector marked with a white
triangle.
Postrequisites
1 Replace the top cover. See "Replacing the Top Cover" on page 78.
2 Replace the front bezel. See "Replacing the Front Bezel" on page 33.
3 Replace the computer cover. See "Replacing the Computer Cover" on
page 25.
4 Follow the steps in "After Working Inside Your Computer" on page 15.
Mini-Card Antennas 55