i installed geforce tweak utility. I am sure you know that program. When editing the settings for the graphic card, the program autostarts and the screen gets black for 1 sec when changing the settings.
Now I uninstalled this program, I even searched the registry for "geforce tweak utility", but the screen gets black still. It doesn't have to have any other negative results, but it really bugs me.
It seems like there is still a setting in the registry which causes the problem.
What should I do?