Dell
™
Latitude™ E6400 XFR Service Manual
Page 25
1 WLAN card 2
Grey antenna cable
3 Holder by card 4
White antenna cable
5 Black antenna cable
If the card has three triangles on the label (white, black, and gray), connect the white antenna cable to the
white triangle, connect the black antenna cable to the black triangle, and connect the gray antenna cable to
the gray triangle.
5. Replace the Bottom Access Panel (see Replacing the Bottom Access Panel).
6. Follow the procedures in After Working on Your Computer.
6 WWAN Card
CAUTION: Before you begin any of the procedures in this section, follow the safety
instructions that shipped with your computer.
NOTICE: Insert a WWAN card or FCM only into the slot shown in the picture below.

6.1 Removing a WWAN Card

1. Follow the procedures in Before Working on Your Computer.
2. Remove the Bottom Access Panel (see Removing the Bottom Access Panel).
3. Disconnect the antenna cables from the card.
4. Remove the M2 x 3-mm screw. The card pops up at a 45-degree angle.
1 Antenna cables (2)
2
WWAN card
3 M2 x 3-mm screw