I just switched to HDMI as DVI was giving black screens on my crossfire AMD 7850s. All the drivers are up to date but my resolution is weird. At first, the screen didn't even fill the monitor so I went into catalyst control center and changed scaling options to 0% (overscan). This filled up the monitor but the resolution is lacking - it's definitely not 1080p quality like the DVI cable. What do I do? If I can't fix the problem I am planning on getting a display port cable.