Hi all
I'm trying to install a EFI flashed amd 7970 on my Mac Pro 3,1 with Mojave 10.14.5 with no success..
I even installed a clean 10.14.5 with dosdude patch 1.3.3 without legacy display driver but with amd metal driver sse4.1 patch, but as soon OSX tries to open the GUI the display goes out...