Dell Inspiron 1720 (Mid 2007) - Manual (Page 156)

156
Adding and Replacing Parts
4 Disconnect the antenna cables from the
WLAN card.
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.
1 antenna cable connectors (2) 2 WLAN card
1
2