Dell Inspiron XPS - Manual (Page 43)

If you ordered a Mini PCI card with your computer, the card is already installed.
1. Follow the instructions in " Preparing to Work Inside the Computer ."
2. Turn over the computer.
3. Unscrew the captive screw labeled "C" and remove the Mini PCI card cover.
4. If a Mini PCI card is not already installed, go to step 5 . If you are replacing a Mini PCI card, remove the existing card:
a. Disconnect the antenna cables from the Mini PCI card.
b. Release the Mini PCI card by spreading the metal securing tabs until the card pops up slightly.
c. Lift the Mini PCI card out of its connector.
CAUTION: Before working inside your computer, read the safety instructions in your Owner's Manual.
NOTICE: To avoid damaging the system board, you must remove the main battery before you begin working inside the computer.
NOTE: 2.4-GHz Wireless LAN PC Cards may be removed and installed by the user.
1 antenna cables (2)
NOTICE: To prevent damage to the Mini PCI card connector, do not use tools to spread the securing clips that secure the card.