Guest franzwald Posted November 6, 2021 Posted November 6, 2021 Hello there! I am totally new here and to cMP. I just got mine a few days ago and started 'playing' with it. It arrived with High Sierra 10.13.6 with the original GT120 in it. It worked fine. I updated to Mojave with a GTX 560Ti (although my screen was black the entire time during install). I've waited out, restarted the Mac and it booted succesfully (not with 570 tho but with the gt120). I have a Radeon R9 290X 4GB Sapphire brand. When i place it in the Mac after the chime, the screen goes... Read more Continue reading...
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