I have an old gm2200 with dvi and vga connection i know use dvi i have tried with dvi and hdmi convertor but the problem still appears.My specs are r9 280 i5 6600k 16gb ddr4 ssd 250gb 2tb hd.Before i had i vga monitor and he didnt had that problem so i dont think is my gpu.sreenshot http://imgur.com/a/UyTFn