Dell 17R-7720, 17R-5720 owner manual Replacing the Wireless Mini-Card

Replacing the Wireless Mini-Card

Procedure

1Remove the new Mini-Card from its packaging.

2Align 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.

3Insert the Mini-Card connector at a 45-degree angle into the system-board connector.

4Press 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.

5Connect 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.

Connectors on the Mini-Card	Antenna Cable Color
	Scheme
WLAN + Bluetooth (2 cables)
Main WLAN + Bluetooth (white triangle)	white
Auxiliary WLAN + Bluetooth (black	black
triangle)
WWAN (2 antenna cables)
Main WWAN (white triangle)	white
Auxiliary WWAN (black triangle)	black

Postrequisites

1Replace the base cover. See "Replacing the Base Cover" on page 20.

2Replace the battery. See "Replacing the Battery" on page 13.

3Follow the instructions in "After Working Inside Your Computer" on page 11.

Wireless Mini-Card 33