Dell W23C Service Manual page 27

Steps
1. Remove the two screws (M2x4) that secure the wireless-card shield to the system board.
2. Lift the wireless-card shield off the system board and wireless card.
3. Remove the screw (M2x4) that secures the wireless-card bracket to the wireless card.
4. Slide the wireless-card bracket off the wireless card.
Removing and installing components 27