Dell Inspiron 5491 2n1 Service Manual page 33

2. Remove the screw (M2x3) that secures the wireless-card bracket and wireless card to the system board.
3. Lift the wireless-card bracket off the wireless card.
4. Disconnect the antenna cables from the wireless card.
5. Slide and remove the wireless card from the wireless-card slot.
Removing and installing components 33