Dell Vostro 1500 (Mid 2007) - Manual (Page 47)

5. Release the WLAN card by pushing the metal securing tabs toward the back of the computer until the card pops up slightly.
6. Lift the WLAN card out of its system board connector.
Mobile Broadband or WWAN Card
1. Follow the procedures in Before You Begin .
2. Turn the computer over.
3. Loosen the two captive screws on the Mini Card compartment cover, then remove the cover and set it aside.
1 antenna cable connectors (2) 2 WLAN card
1 metal securing tabs (2) 2 WLAN card
NOTE: WWAN is also available on an ExpressCard (see ExpressCards ).