Dell Inspiron 17R (5720, Mid 2012) - Manual (Page 33)

Wireless Mini-Card | 33
Replacing the Wireless Mini-Card
Procedure
1 Remove the new Mini-Card from its packaging.
2 Align the notch on the Mini-Card with the tab on 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 connector.
5 Connect the antenna cables to the connectors on the Mini-Card.
The following table provides the antenna cable color scheme for the
Mini-Cards supported by your computer.
Postrequisites
1 Replace the base cover. See "Replacing the Base Cover" on page 20.
2 Replace the battery. See "Replacing the Battery" on page 13.
3 Follow the instructions in "After Working Inside Your Computer" on page 11.
Connectors on the Mini-Card Antenna Cable Color
Scheme
WLAN + Bluetooth (2 cables)
Main WLAN + Bluetooth (white triangle)
Auxiliary WLAN + Bluetooth (black
triangle)
white
black
WWAN (2 antenna cables)
Main WWAN (white triangle)
Auxiliary WWAN (black triangle)
white
black
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