Screen begins to spin non stop.

Are you playing fullscreen or a windowed version??  Wondering if they mouse is getting "Out of game" and thus the game thinks you are at the edge of the screen and thus spinning.

In a few games I have had this happen, and it usually fixed itself when I pressed the movement/camera control buttons in the direction of the spinning.  Such as a quick tap of left if spinning left, which may in this case be the arrow buttons instead of wasd depending on your settings.

You may also delete the profilesoptions and profileoptions.options  files in your saves folder, as this resets all customization of settings back to stock, which has been known to fix strange issues.

May not hurt to post up a DxDiag file if none of these works, also a list of any mouse/contoller programs you are running...and unplug all non-used controllers from your system if you have any...aka xbox360 controllers sitting there for that other game, or something else.

@mcsupersport I play on full screen all the time.

I also did the profileoptions deleting stuff, didn't help.

I have no controllers or any other mouses ever connected to my laptop. One I connected is the one I used from the start - nothing ever changed.

Honestly did all the possible solutions all over the internet and I still can't figure out why the game just starts spinning. And I tried playing it like that even - it began bugging out NPC or not allowing me to attack in game / making right mouse button the attack button on itself instead of it being the rotation button.

Is this perhaps related to this issue? https://answers.ea.com/t5/Dragon-Age-Inquisition/Camera-flipping-180-while-moving-with-right-mouse-button/m-p/6793343

I've been having freaky mouse controls and I'm not entirely sure what causes it. I tested two separate plug-and-play mice. I'll let you know if I learn more.