flash bios

System Not Recognizing XFX Radeon DD R9 280X (UD5H) (SOLVED) Hi Guys, needed some direction on getting my new GPU to work. I just bought an XFX Double Dissipation R9 280X. I bought it because I need the 2 mini-display ports. As soon as I plug it in, OS X rejects it and I can't get past the...