Dell Latitude 5330 2in1 Service Manual page 45

Steps
1. Note the WLAN antenna cable routing, and remove the WLAN antenna cables from the routing guide on the fan.
2. Lift the mylar sleeve.
3. Disconnect the fan cable from its connector on the system board.
4. Remove the three (M2x3) screws that secure the fan to the palm-rest assembly.
5. Lift at an angle and remove the fan from the system.
Removing and installing components 45