When the Mini-Card is not in the computer, store it in protective antistatic packaging. For more information, see "Protecting Against
Electrostatic Discharge" in the safety information that shipped with your computer.
Replacing the Mini-Card(s)
1. Follow the procedures in
2. Remove the new Mini-Card from its packaging.
Use firm and even pressure to slide the card into place. If you use excessive force, you may damage the connector.
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.
3. Insert the Mini-Card connector at a 45-degree angle into the connector on the system board.
4. Press the other end of the Mini-Card down into the slot on the system board and replace the screw that secures the Mini-Card to the system board.
5. Connect the appropriate antenna cables to the Mini-Card you are installing. The following table provides the antenna cable color scheme for each Mini-
Card supported by your computer.
Connectors on the Mini-Card
WWAN (2 antenna cables)
Main WWAN (white triangle)
Auxiliary WWAN (black triangle)
WLAN (2 antenna cables)
Main WLAN (white triangle)
Auxiliary WLAN (black triangle)
6. Replace the palm rest assembly (see
7. Replace the hard-drive assembly (see
8. Replace the keyboard (see
9. Replace the battery (see
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.
10. Install the drivers and utilities for your computer, as required. For more information, see the Dell Technology Guide.
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.
Antenna Cable Color Scheme
white with gray stripe
black with gray stripe
Replacing the Palm Rest
Replacing the Hard-Drive