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Velcis Ribeiro

Only boot with these flags...

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So guys, tried Yosemite and Mavericks, i prefer Mavericks, but i can only boot with these flags:   -x PCIRootUID=1 GraphicsEnabler=No IGPEnabler=Yes


I`m new to this, tried with AMD 7470 resulting on a black screen with some Kext that i got from the internet, but i can use the internal graphics with no problem.


What i can do?


Thanks !!!

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