140 Adding and Replacing Parts
Replacing a WWAN 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 WWAN card, never place cables under the card.
1
Insert the
WWAN
card connector at a 45-degree angle into the system
board connector labeled "WWAN".
2
Press the other end of the
WLAN
card down into the slot on the system
board until the card clicks into place.
3
Replace the M2 x 3-mm securing screw.
4
Connect the black antenna cable with a gray stripe to the connector
labeled "aux" (black triangle) and connect the white antenna cable with a
gray stripe to the connector labeled "main" (white triangle).
5
Secure unused antenna cables in the protective mylar sleeve.
6
Replace the cover and tighten the captive screws.
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