I have an HD 6870 card and am using 2 of the dvi inputs and for my 3rd monitor I'm using a displayport to dvi adapter. Had zero problems with it since the 19th when I first turned the PC on for the first time. Now today the monitor that I have hooked up with the display port adapter went black and white. I tried uninstalling the drivers for the 6870 and reinstalling them but that didn't do anything. Why did it go black and white? 
EDIT: I just tried hooking up one of the other monitors to the displayport to dvi adapter and it still does black and white. Did the adpater go bad?
EDIT: I just tried hooking up one of the other monitors to the displayport to dvi adapter and it still does black and white. Did the adpater go bad?
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