I can't access F9 and F10 OSDs anymore - F11+F12 work fine.
Is it possible I pressed some key by accident? Is it a bug?
New installation didn't help

I hope someone can help me out.

Maybe its your keyboard?

Problem solved.
It was not my keyboard but another application blocking F9+F10

Quote from spacepir8 :

Problem solved.
It was not my keyboard but another application blocking F9+F10

yes, windowblinds or something like that, am I right?

Quote from spacepir8 :

Problem solved.
It was not my keyboard but another application blocking F9+F10

wow...