Deus Ex: Human Revolution is not working correctly with my mouse. I have an extra monitor, off to the left. When I play the game, the mouse is not 'grabbed', so if I look to the left, I'll see the ...
I've just installed DX:HR via Steam, and I've noticed there's really bad mouse/keyboard lag in the game. Framerate seems fine for the most part, but when I move the mouse, there's about a quarter or ...