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I bought an MSI R7770 and just installed the catalyst 13.6 beta drivers. Ubuntu recognizes both of the graphics, but I can't switch to the card. What happens when I use the card is:

I get to the grub menu and select my partition and then it just hangs at the purple splash screen with all of the orange dots filled in. The catalyst control center does show the card, but it's under lspci | grep VGA and under /etc/X11/xorg.conf. I really hope I'm just missing something obvious.

I have tried messing with the bios, but it still results in a purple screen and sometimes a black screen.

Any help would be really appreciated, I'm at a loss as to what to do at this point.

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Sorry, meant "doesn't show under catalyst control center" –  panderz Jul 21 '13 at 20:09
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