I've successfully installed Linux from a Live USB in the past, but now I'm facing issues booting into it. I can select the USB drive by holding F12 during startup, but I keep getting error messages like `Failed to open EFIBOOTmmx64.efi - Not Found` and `Failed to load image : Not Found`. It also says there's a failure starting MokManager and mentions `import_mok_state() failed: Not Found`. I'm using a Lenovo Ideapad Flex 5 from 2022, which is currently running Windows 11. I've tried several tools to create the USB: UUI from PenDriveLinux, Lenovo Bootable Generator, and Rufus, but none seem to work. I suspect this might be related to UEFI settings—any insights?
3 Answers
I'm curious about secure boot too! Could you elaborate on what it is and why Ventoy works better with it? Also, what does 'key signature storage full' mean and how does it happen?
You might want to try using Ventoy to create your USB drive. It supports secure boot, which could be causing those error messages you're seeing. Sometimes, the UEFI key signature storage gets full, leading to boot issues as well. Ventoy has some neat advantages that might help you bypass the current problem.
If it turns out it's an issue with secure boot, you could also consider just disabling it. Just make sure to turn off BitLocker in Windows first, if it's activated, to avoid losing any files.
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