Dell XPS 13 (L322X, Early 2013) - Manual (Page 25)

Replacing the Mini-Card
1 Remove the new mini-card from its packaging.
2 Align the notch on the mini-card with the tab in the system-board connector.
CAUTION: Use firm and even pressure to slide the mini-card into place. If you use
excessive force, you may damage the connector.
CAUTION: The connectors are keyed to ensure correct insertion. If you feel
resistance, check the connectors on the mini-card and on the system board,
and realign the mini-card.
CAUTION: To avoid damage to the mini-card, never place cables under
the mini-card.
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 mini-card cables to the connectors on the mini-card.
The following table provides the mini-card cable color scheme for the
Mini-Card supported by your computer.
Connectors on the Mini-Card Mini-Card Cable Color
Scheme
WLAN + Bluetooth (2 cables)
Main WLAN + Bluetooth (white triangle)
white
Auxiliary WLAN + Bluetooth (black triangle) black
Wireless Mini-Card 25