Hello,I need your guy's help please.I am have a GTX 560 ti graphics card, and i have problem.I interserted the DVI cable and my screen is black from startup no login screen no BIOS nothing the screen doesn't even go on(the screen works by the way i tested it and i know it the graphics card because the screen works on board) I i can't open the PC case because of warranty and it work like a few minutes before i got the problem and another thing i didn't install any new hardware or software like in 4 months(except for steam and dota 2 but it worked perfectly.....Please give me a valid answer
thank you
thank you