Dell Inspiron 7591 2-in-1 Service Manual page 19

Prerequisites
Remove the base cover.
Procedure
1. Locate the wireless card on the system board.
2. Remove the screw (M2x3) that secures the wireless-card bracket to the wireless card and palm-rest assembly.
3. Remove the wireless-card bracket from 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 19