Dell Inspiron 15 (M5030, Mid 2010) - Manual (Page 29)

Replacing the Wireless Mini-Card
1. Follow the instructions in Before You Begin .
2. Remove the new wireless Mini-Card from its packaging.
3. Insert the wireless Mini-Card connector at a 45-degree angle into the connector on the system board.
4. Press the other end of the wireless Mini-Card down into the slot on the system board and replace the screw that secures the Mini-Card to the connector
on the system board.
5. Connect the black antenna cable to the connector marked with a black triangle on the wireless Mini-Card.
6. Replace the keyboard (see Replacing the Keyboard ).
7. Replace the battery (see Replacing the Battery ).
8. Install the drivers and utilities for your computer, as required.
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CAUTION: Use firm and even pressure to slide the 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 card and on the system
board, and realign the card.
CAUTION: To avoid damage to the wireless Mini-Card, never place cables under the card.
CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so may
result in damage to the computer.
NOTE: If you are installing a wireless Mini-Card from a source other than Dell, you must install the appropriate drivers and utilities.