Dell Inspiron 1420 (Mid 2007) - Manual (Page 150)

150
Adding and Replacing Parts
4 Loosen the screw that secures the Mini Card to the system board.
5 Disconnect the antenna cables from the
WWAN card.
6 Pull the
WWAN card out of its system board connector.
1 WWAN card 2 antenna cables (2)
1
2