7900x

I built my new ring last month. Until last week it has been working flawlessly. Occasionally and as far as I can tell only after the first boot , for some reason the screen slows down, buttons don't respond to mouse clicks but they respond to keyboard and I can hardly close all the windows...

I have been overclocking my intel cpu's for a few years now I recently upgraded my system to the x299 platform. My rig consists of 7900x cpu and the strix x299 gaming e mobo, 64 gb of corsair dominator platinums, 2 gtx 1080ti with heat killer 4 gpu blocks, cpu is also cooled by the heatkiller 4...