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Replacing the WWAN Card
1. Follow the procedures in Before You Begin.
2. Remove the new WWAN card from its packaging.
3. Insert the WWAN card connector at a 45-degree angle into the system board connector.
4. Press the other end of the WWAN card down on the system board.
5. Replace the screw that secures the WWAN card to the system board.
6. Connect the appropriate antenna cables to the WWAN card you are installing. The following table provides the antenna cable color scheme for the
WWAN card supported by your computer.
7. Replace the keyboard (see Replacing the Keyboard).
8. Replace the battery (see Replacing the Battery).
9. Install the drivers and utilities for your computer, as required. For more information, see the Dell Technology Guide.
WLAN Card
Removing the WLAN Card
1. Follow the procedures in Before You Begin.
2. Remove the battery (see Removing the Battery).
CAUTION: Use firm and even pressure to slide the card into place. If you use excessive force, you may damage the connector.
Connectors on the Mini-Card
Antenna Cable Color Scheme
WWAN (2 antenna cables)
Main WWAN (white triangle)
Auxiliary WWAN (black triangle)
white with gray stripe
black with gray stripe
CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so may
result in damage to the computer.
NOTE: If you are installing a communication card from a source other than Dell, you must install the appropriate drivers and utilities. For more generic
driver information, see the Dell Technology Guide.