XBox controller button stops responding?

Li
- in Xbox
3

On my Xbox controller, the right shoulder button (RB) no longer responds so well when I press it, I have to apply a lot of pressure or it doesn't work at all.

Would be nice if someone could tell me how to fix this problem on the controller

ge

Unscrew and check

Li

Yes, but where to screw on an XBox one x controller

ge