Hi.. i know its a few months later but this is the only relivent post i can find on the net.
basicly i have the same error.
my graphics card is a
MSI Radeon HD 7770
now, i would of taken my card out of my system and booted mac up to remove the files that one of you mentioned.
only i cant because my onboard graphics dont work because i dont have the required processor to do so.
so i think that only leaves me taking my drive out of my system, putting it into a caddy and removing them on another system.
only problem is, i can't do this as all my systems in my house are WINDOWS.
when i installed the mac os, i choose the
Mac OS extended (Journaled) Format.
so obviously windows cant see this encryption.
i have tried several software to get around this problem, but none seem to work.
so before i go out and buy a brand new graphics card, i need to know is this definitely the problem ??
ps. i am a complete noob to apples mac os for now