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  1. yoonac
    Thread

    failed to upgrade to Big Sur 11.0 from Catalina 10.15.6 stuck in black screen

    On Parallels Desktop 16 Business Edition, I installed 10.15.6 an a Guest OS and tried to upgrade to Big Sur 11.0 beta8. successfully downloaded...
    Thread by: yoonac, Sep 24, 2020, 1 replies, in forum: macOS Virtual Machine
  2. yoonac
    Post

    Install Big Sur Beta VM get stuck in black screen

    On Parallels Desktop 16 Business Edition, I installed 10.15.6 an a Guest OS and tried to upgrade to Big Sur 11.0 beta8. successfully downloaded...
    Post by: yoonac, Sep 24, 2020 in forum: macOS Virtual Machine
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