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I was having exactly the same problem whilst installing Ubuntu 20.04.2.0 LTS on a 2020 MacBook Pro with a 2 GHz Quad-Core Intel Core i5 processor using macOS Big Sur Version 11.1. After spending two days trying to get it to work I finally found a solution. Be warned it is a long process. From my research I found that the issue is due to the Mac bootloader ...


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TLDR... This may or may not be an "answer" - I'll leave that for you to decide. And you should know that I have not tried to install Ubuntu on a T2-equipped Mac, but I do believe it can be done. I'm not going to try to work through all of the details with you. What I will try to do is get you pointed in the right direction & try to clarify any ...


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It appears your install media didn’t boot in efi mode you can run this command to verify it is booted in efi mode. [ -d /sys/firmware/efi ] && echo "UEFI mode" || echo "Legacy mode If your in legacy mode try creating you usb media with a different tool there are several tutorials of creating uefi enable installation media and then ...


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This is not an answer but a comment which I'd like to add anyways because I believe it's relevant. The Secure boot EFI mechanism only verifies binaries and libraries (e.g. executable code) signatures which are being run, it does not and cannot verify anything beyond that because it would make booting impossible. Any OS needs to know where to boot from and ...


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It looks like you are trying are trying to control the way grub menus are generated. These are generally configured from scripts in /etc/grub.d. I believe the one you are specifically interested in is "os-prober" which finds other installed operating systems. Of course if you wanted to remove all other operating systems you could just disable os-...


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I resolved this issue by updating my BIOS. My motherboard is a "Fatal1ty AB350 Gaming-ITX/ac" and I updated the BIOS version from 5.70 to 6.60


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VFS: unable to mount root fs on unknown-block(0 0)_ _ _ long press on power button to shutdown your laptop. select the “advanced” option. select lowest version of generic (“recovery mode”) click on “clean” “try to make free space” and then “resume” “resume normal boot”


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