• Grub2 error:unknown filesystem after reinstalling Windows


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  • ls     to know in which partition is installed the grub
    
    
    

    Then

    example:

    set boot=(hd0,msdos7)/boot/grub
    set prefix=(hd0,msdos7)/boot/grub
    insmod normal
    normal
    

    then

    grub-mkconfig -o /boot/grub/grub.cfg
    
    

    Then example=

    sudo mount /dev/sdaX /mnt   Mount the partition antergos
    and then
    
    sudo grub-install --boot-directory=/mnt/boot /dev/sda
    sudo grub-install --root-directory=/mnt /dev/sda
    
    grub-mkconfig -o /boot/grub/grub.cfg
    

    That is all.

    Autodidacta en la VIDA …y en Linux, también.

  • @azor7878 said in Grub2 error:unknown filesystem after reinstalling Windows:

    so i think that i need to update grub so it looks for normal.mod on sda2, not 4, i don’t know how to do that and

    sudo fdisk -l
    

    ???

    Autodidacta en la VIDA …y en Linux, también.

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  • @azor7878 said in Grub2 error:unknown filesystem after reinstalling Windows:

    grub-install: error: efibootmgr: not found

    Is efiboormgr installed?

    sudo pacman -S efibootmgr
    
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  • @azor7878 said in Grub2 error:unknown filesystem after reinstalling Windows:

    Device Start End Sectors Size Type
    /dev/sda1 2048 978609 976562 476.9M EFI System //Tht’s my /boot/efi/
    /dev/sda2 978610 1955171 976562 476.9M EFI System //Tht’s my /boot/

    I see, you have 2 EFI System partitions. Why?? I think, this can not work!

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reinstalling1 filesystem3 errorunknown1 grub224 Posts 11Views 466
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