Replacing A Wlan Card; Removing A Mobile Broadband Or Wwan Card - Dell Inspiron 1521 Owner's Manual

1 metal securing tabs (2)

Replacing a WLAN Card

NOTICE: The connectors are keyed to ensure correct insertion. If you feel resistance, check the connectors on the card and on the system board, and
realign the card.
NOTICE: To avoid damage to the WLAN card, never place cables under the card.
1. Insert the WLAN card connector into the system board connector labeled "WLAN" at a 45-degree angle.
2. Press the other end of the WLAN card down into the securing tabs until the card clicks into place.
3. Connect the appropriate antenna cables to the WLAN card you are installing:
NOTE: The gray antenna cable may not be available in all computers. The presence of the gray antenna cable in your Mini Card compartment
depends upon the type of display.
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.
4. Secure unused antenna cables in the protective mylar sleeve.
5. Replace the cover and tighten the captive screws.

Removing a Mobile Broadband or WWAN Card

NOTE: WWAN is also available on an ExpressCard (see
1. Follow the procedures in Before You
2. Turn the computer over.
3. Loosen the captive screws on the cover of the Mini Card compartment and remove the cover.
2 WLAN card
Using ExpressCards).
Begin.