snvsyd Posted January 15, 2020 Share Posted January 15, 2020 Hi, I upgraded my bios and haven't been able to boot into the osx installer or to my existing install of catalina. Haven't had any issues until the bios upgrade, I tried downgrading the bios (I can't remember what version it was on but none of the versions work), this is a screenshot of what it's showing. The motherboard is Z370m-D3H. Thanks Link to comment Share on other sites More sharing options...
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