So, im using xfx ati 6670 , which has only one dvi port . And my monitor is vga no dvi . So i bought a dvi to vga converter to use my gpu, after a few days the display went black in my aoc vga only monitor , i went to my friend house with my full cpu to check , its all working fine with dvi supported monitors. When in plug in to my vga monitor the display is black no signal but works fine with dvi cable that is dvi monitor help plz