evdo66 Posted November 25, 2020 Share Posted November 25, 2020 OpenCore 0.63 Have updated Catalina to Big Sur without any problems. In the boot-menu appeared the entry “Big Sur”. Could choose the entry and start Big Sur – everything worked perfect. Two days later instead of the entry “Bis Sur” in the boot menu appeared suddenly the entry “Big Sur - Data”. Impossible to start OS. Have deleted everything and installed the Big Sur anew. The same story – it worked about two days, then again “Big Sur – Data” instead of “Big Sur”. Impossible to start. In these two days I didn’t install any software or changed any kexts. I had never such problems with Catalina. Any ideas? Thank you. Link to comment https://www.insanelymac.com/forum/topic/345880-big-sur-entry-disappears-from-boot-menu/ Share on other sites More sharing options...
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