I found the problem, the windows 8.1 Beta Driver.
I de-installed those very clean, and installed the normal windows 8 ones.
And how the ... should i have known that these drivers would work?
Well, 8.1 for 8.1 = BAD, 8.0 for 8.1 = G…
Luckily i have windows 8 installed beside, dual boot, most people recommended it if installing windows 8.1, so i testet it there too, and the problem was still there.
And yes, i use the AMD optimized drivers for 8.1 .
Im sry for some of that what i wrote, it was the wrong tone yes.
But still, some people are morons and dumbasses, and most people should know.
And yes, i am one of them too, sometimes. I probably just stood up with the wrong foot today.<…
Luckily i have windows 8 installed beside, dual boot, most people recommended it if installing windows 8.1, so i testet it there too, and the problem was still there.