I'm using a vizio m50c1. I have the pc plugged into to 4k 60hz input (hdmi 5). Pc displays 4k fine at 30 hz but when I set it to 60 via nvidia control panel it gets stretched and displays in a weird cyan color. My pc has a gtx 960 3gb gpu. It's a steam machine running Windows 10. I know hardly any games with the specs my pc has will most likely not run at 60fps however I'd still prefer 60hz. Thank you.