Did this work before?
Have you updated your graphics card driver lately?
Any chance you've got Matrox, Blackmagic, or some other external previewing setup?
Alas, I have a Kona card. Could it be that and why ?
Thanks, you might have made my day !
Yeah, both the kona and nvidia card were recently updated. I can't say if it worked before, I just switched over to a PC a few months ago from mac and this is a brand new setup. I updated the nvidia drivers per nvidia because of this issue, but obviously it didn't fix it. And I don't believe I can roll back my kona drivers because I'm running the newest drivers for adobe CC, don't quote me on that, have to double check.
anyway I can tell that's the issue?
You could uninstall the Kona drivers and see if the problem goes away.