Replacing The Wlan/Wimax Card - Dell LATITUDE E6400 XFR Service Manual

1. Disconnect the antenna cables from the card.
2. Remove the M2 x 3-mm screw. The card will pop up at a 45-degree angle.
3. Slide the card out of the card connector on the system board.

3.2 Replacing the WLAN/WiMax Card

NOTICE: 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.
NOTICE: To avoid damage to the WLAN or WiMax card, ensure the cables are not under the card
when you replace it.
NOTICE: Insert a WLAN or WiMax card only into the slot labeled WLAN/WiMax.
1. Slide the card into the connector labeled WLAN/WiMax.
2. Press the card down and hold it in place.
3. Replace the M2 x 3-mm screw.
4. Connect the appropriate antenna cables to the card you are installing:
a. If the card has two triangles on the label (white and black), connect the white antenna cable to the
connector labeled "main" (white triangle), and connect the black antenna cable to the connector
labeled "aux" (black triangle). Secure the gray antenna cable in the plastic holder next to the card.
b. 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.
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Dell Latitude™ E6420 XFR Service Manual
1 Antenna cables (3)
3 M2 x 3-mm screw
1 WLAN/WiMax card
2 WLAN/WiMax card
2 Card connector