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shim

  1. K

    Using shim-signed for MBP 2020?

    Hi, i am trying to run refind with shim or Preloader on my Macbook Pro 2020. Without Secure Boot it is no Problem to boot the refind an just use this bootloader to start Catalina/Windows and Linux. But if i activate in the Recovery Mode Secure Boot with Middle Security Mode it always crashes...