i got my new video card yesterday i finished my bulid i put the DVI cable to the video card and to the monitor i turn the computer on only black screen show but windows boot just fine what i did i unplug the cable from the video card and put it to the the output in the motherboard the same think what i did i took off the video card off the case the only way i can use the computer by taking off the video card and use the integrated graphics on the cpu HELPPPP