HOLLY CRAP bobkn I love you bro!!! haha that was the problem. The HDMI port only supported 30hz I switched to other port and VOILA!!!! Thank you so much man !!!!

Thnx for the quick reply. I just checked and it's at 30hz, I am also using HDMI. Could the refresh rate be the problem?

Hey guys, I'm new here and I've been trying to solve a problem for some days now. I just built my spanking new pc with very good specs and samsumg's 4k monitor. After assembling everything and...