Why my edge screen not detecting/reponding to my finger but works just fine with my s pen??

[Aclanogia]

It only happen recently and the fact that only my right side of the edge screen happen to be having this problem.. btw I’m using samsung note fe/7 ..
Really need help. Thank you

 

[B. Diddy]

Welcome to Android Central! The touchscreen digitizer is probably faulty. The S Pen uses different technology to detect its location and presses, so that can still work even when finger touches can't be registered.