Dell Vostro 1420 Owners Manual - Page 185
Replacing a WWAN Card, a white triangle. Connect the black striped cable to the connector on
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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 into the system board connector labeled "WWAN" at a 45-degree angle by aligning the notch on the WWAN card to the slot on the system board connector. 2 Press down the other end of the WWAN card and tighten the screw securing the card to the system board. 3 Connect the appropriate antenna cables to the WWAN card you are installing. Connect the white striped cable to the connector on the card marked with a white triangle. Connect the black striped cable to the connector on the card marked with a black triangle. 4 Secure unused antenna cables in the protective mylar sleeve. 5 Replace the keyboard (see "Replacing the Keyboard" on page 173). 6 Replace the central control cover (see "Replacing the Central Control Cover" on page 171). Adding and Replacing Parts 185