Hovering mouse over things does nothing.

Don't know if anyone else is having this issue, but when I hover my mouse over something like over the YouTube player on a video, you would expect the play button and volume ui to appear. Also, on drop down menus on MacOS, they should be highlighted when you hover your mouse over them. But mine does nothing. I have to hold down the right mouse button and then hovering over things kinda works. This also happens in FPS games where I cant look around unless i'm holding down the left mouse button. I know it is not the mouse because I have tried other mice and still the same thing. Does anyone know what this issue is and if there is any fixes for it? Thanks