My pc lately has had a problem i don't know how the problem occured but my pc reads my hdmi as a dvi cable and it doesn't show anything this problem sometimes fixes when i close my pc power for 1-2 hours and restart the pc but when i turn it off it happens again i tried using different cables i tried using different tv-monitor nothing my card is Nvidia 960 and its been 2 weeks need help as fast as possible i have to finish 2 college projects until Friday