Dell M1330 Owners Manual - Page 149
Replacing a WWAN Card, Replace the M2 x 3-mm securing screw.
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5 Release the WWAN card by removing the screw. 6 Lift the WWAN card out of its system board connector. Replacing a WWAN 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 WWAN card, never place cables under the card. 1 Insert the WWAN card connector at a 45-degree angle into the system board connector labeled "WWAN". 2 Press the other end of the WWAN card down into the slot on the system board until the card clicks into place. 3 Replace the M2 x 3-mm securing screw. 4 Connect the black antenna cable with a gray stripe to the connector labeled "aux" (black triangle) and connect the white antenna cable with a gray stripe to the connector labeled "main" (white triangle). 5 Secure unused antenna cables in the protective mylar sleeve. 6 Replace the cover and tighten the captive screw. Adding and Replacing Parts 149