Dell DT549, PP22X owner manual Removing a Mobile Broadband or Wwan Card

3Connect the appropriate antenna cables to the WLAN card you are installing:

If the WLAN card has two triangles on the label (white and black), connect the white antenna cable to the connector labeled "main" (white triangle), and connect the black antenna cable to the connector labeled "aux" (black triangle).

If the WLAN card has three triangles on the label (white, black, and gray), connect the white antenna cable to the white triangle, connect the black antenna cable to the black triangle, and connect the gray antenna cable to the gray triangle.

4Secure unused antenna cables in the protective mylar sleeve.

5Replace the cover and tighten the captive screws.

Removing a Mobile Broadband or WWAN Card

NOTE: WWAN is also available on an ExpressCard (see "Using ExpressCards" on page 79).

1Follow the procedures in "Before You Begin" on page 137.

2Turn the computer over.

3Loosen the captive screws on the cover of the Mini Card compartment and remove the cover.

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captive screws (2)	2	cover
Adding and Replacing Parts