Dell XPS L401X Service Manual page 25

3 Insert the Mini-Card connector at a 45-degree angle into the system-board
connector.
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
the Mini-Cards supported by your computer.
Connectors on the Mini-Card
WLAN (2 antenna cables)
Main WLAN (white triangle)
Auxiliary WLAN (black triangle)
WWAN (2 antenna cables)
Main WWAN (white triangle)
Auxiliary WWAN (black triangle)
TV tuner (1 antenna cable)
6 Align the tabs on the Mini-Card cover with the slots on the base cover and
snap the Mini-Card cover into place.
7 Replace the captive screw that secures the Mini-Card cover to the base
cover.
8 Replace the battery (see "Replacing the Battery" on page 14).
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.
9 Install the drivers and utilities for your computer, as required.
NOTE:
If you are installing a communication card from a source other than Dell,
you must install the appropriate drivers and utilities.
Antenna Cable Color Scheme
white with gray stripe
black with gray stripe
white
black
black
Wireless Mini-Card(s)
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