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184 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 into the system board connector labeled
"WWAN" at a 45-degree angle by aligning the notch on the WWAN card
to the slot on the system board connector.
2
Press down the other end of the WWAN card and tighten the screw
securing the card to the system board.
3
Connect the appropriate antenna cables to the
WWAN
card you are
installing.
Connect the white striped cable to the connector on the card marked with
a white triangle. Connect the black striped cable to the connector on the
card marked with a black triangle.
4
Secure unused antenna cables in the protective mylar sleeve.
5
Replace the keyboard (see "Replacing the Keyboard" on page 173).
6
Replace the central control cover (see "Replacing the Central Control
Cover" on page 171).