Gatecrasher3 Posted July 14, 2014 Share Posted July 14, 2014 Hi everyone, So for months I had my Mountain Lion/Windows dual boot build working great, but yesterday I changed my video card from nvidia to amd and now before I even get to the boot screen to choose my OS I receive this error. I can still log into my windows system fine by changing my boot sequence to my Windows HD to boot first. Any insight on this problem would be appreciated. http://imgur.com/Eyw8UtrSpecs:Mobo: Gigabyte GA-Z68X-UD3H-B3CPU: i5-2500kGPU: AMD R9 280X Link to comment Share on other sites More sharing options...
fugedigergely Posted July 29, 2014 Share Posted July 29, 2014 hmm. maybe your card is shipped with uefi only firmware... try using clover Link to comment Share on other sites More sharing options...
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