My monitor is OK. I don't have this problem in windows or another game. Anyone knows something about this? I installed a new (the latest) GFX driver recently but it didn't do it the first day. My config is mostly Cypher's config. I only edited a few binds today.
Here are screenshots:
http://i60.tinypic.com/2wnbuar.jpg
http://i61.tinypic.com/s1oy7s.jpg