Dell L401X manual Wwan 2 antenna cables

Connectors on the Mini-Card	Antenna Cable Color Scheme
WLAN (2 antenna cables)
Main WLAN (white triangle)	white with gray stripe
Auxiliary WLAN (black triangle)	black with gray stripe
WWAN (2 antenna cables)
Main WWAN (white triangle)	white
Auxiliary WWAN (black triangle)	black
TV tuner (1 antenna cable)	black

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).

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.

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