As per title, I use a Radeon 7950 that I've got working with Yosemite with very little effort (using Clover).
However, the screen goes black right after OS X boots. I've figured out that if I remove the monitor cable and reinsert it, the GUI shows up. I'm just guessing, but it's almost as if OS X is picking the wrong graphics card after the boot loader hands command over to the OS.
Does anyone know of any tricks to alleviate this minor inconvenience?
submitted by fnordsensei
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