GTX 780 Classified

Recently my old GPU (GTX 780ti) has been all buggy with green lines and detects my moniter as being 1Hz. I figured it was done for so I decided to buy a new one (Radeon rx580) but nothing works. so far ive tried plugging in the new card but i get no signal. I have put the old one in and tried...

Hello I want to swap my old monitor out for this one: http://www.webhallen..._sankbar-g-sync I know it is AOC and not asus or another very high tier brand. Me too was concerned about this until I saw this thread were it finished as best: http://www.tomshardw...itors,3917.html So I think it look...