Black screen of something major problem for me

Sup . I bought hdmi to dvi d cable for 2 monitors everything seem ok until when i plugged hdmi cable. After couple of min my screen black outs like idk keyboard is frozen computer is still running.
Everything worked fine. Until that cable or is it just my pc -_-
 
lol i fixed it ... i was sooo stupid. anyways if someone has same problem like me who has tv/monitor then try to plug hdmi cable in second port cuz i plugged it in hdmi 2 it was bad quality and same sh** so i plugged it in second port and it recognized but anyways i am stupid....
 
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