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XFX R7800 GHOST DRIVERS FOR MAC INSTALL
but for installing sierra, high sierra and mojave, the switch on the card has to be in the other position( yes, there’s a 2 position switch on the card) otherwise it will not boot and won’t install sierra, high sierra or mojave. i bought a sapphire mac version radeon 7950 way way back when. Has anyone had experience with the Radeon 7950 or any other card that Apple lists as Mojave-compatible? These quirks went away when I re-installed the old graphics card (AMD Radeon 5770).Īre there some other files in OS 10.13 that can be replaced with files from OS 10.12 so that the Radeon 7850 graphics card will work? If not, I will exchange the 7850 for a 7950 that Apple says is Mojave-compatible.
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The machine now booted up fine in OS 10.13 but there were a few quirks, like a flashing black square behind the cursor and the machine refusing to go to sleep. I decided to delete the file "AMD7000Controller.kext" from the System>Library>Extensions folder in OS 10.13 and replace it with the identical file from OS 10.12. As the HDD is partitioned, I then booted into the partition running OS 10.12 (Sierra) and everything was perfect. When I installed the card and started the machine, it showed the boot screen and then went black. I purchased a Metal-capable Radeon 7850 graphics card in order to upgrade to macOS 10.14 (Mojave). I have a Mac Pro 5,1 running macOS 10.13.6 (High Sierra).