due to the recent grub issue my system wouldn’t boot until i changed a setting in setup/BIOS and i don’t understand an option there
in setup there’s the boot device setting which everyone is familiar with, but in my case there’s also a “UEFI HDD BBS Priorities” setting with 2 options: UEFI OS on my nvme drive, and ‘manjaro’
the system was always set to the former, but i had to change it to ‘manjaro’ to get it to boot
what is this setting for and why are there 2 options?
Uefi os is probably the fallback efi loader which can be anything or nothing. Manjaro is the right one anyway.
To further clarify what @Teo said, the “UEFI OS” entry refers to /boot/efi/EFI/boot/bootx64.efi, and the “manjaro” entry refers to /boot/efi/EFI/manjaro/grubx64.efi.
/boot/efi/EFI/boot/bootx64.efi is a generic entry and can be anything — even a Windows boot loader — whereas /boot/efi/EFI/manjaro/grubx64.efi of course explicitly boots Manjaro’s GRUB.
got it - thanks for the detailed explanation 
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