Nvidia Graphics problem

[funkeba]

please helpme :( when i try to enable my NVIDIA gforce MX 200 graphic adapter in ubuntu my my screen became totally green and i can't see any thing clearly but when i get a screen shot it appears without any problems please help me to fix this problem

http://img33.imageshack.us/img33/5250/screenshot1pb.png
http://img109.imageshack.us/img109/4562/screenshotsw.pnghttp://http://img33.imageshack.us/img33/5250/screenshot1pb.png

[funkeba]

I'm using AOC 19' LCD monitor