Recreate bootloader fails with 'cannot find EFI directory'












0















I setup debian 9 for a friend of mine. Now I got the laptop back and no bootable media is found on start.



I booted from the usb drive I installed from using the live mode and followed these steps: https://wiki.debian.org/GrubEFIReinstall which led me to here: https://help.ubuntu.com/community/Grub2/Installing#via_ChRoot



When I execute 12 grub-install /dev/sdb I get



Installing for x86_64-efi platform.
error: cannot find EFI directory.


On sdb1 I got /EFI/debian/grubx64.efi
On sdb2 I got /proc /sys /run etc.



I'm not sure if sdb1 is my boot-partition or not - I tried both skipping/executing 8 sudo mount /dev/sdXY /mnt/boot.



I used sdb2 for all other sdXY-commands.



When I execute 13 update-grub I get lots of mkdir: cannot create directory '/var/lib/os-prober/mount': No such file or directory.



How do I recreate the bootloader?










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    0















    I setup debian 9 for a friend of mine. Now I got the laptop back and no bootable media is found on start.



    I booted from the usb drive I installed from using the live mode and followed these steps: https://wiki.debian.org/GrubEFIReinstall which led me to here: https://help.ubuntu.com/community/Grub2/Installing#via_ChRoot



    When I execute 12 grub-install /dev/sdb I get



    Installing for x86_64-efi platform.
    error: cannot find EFI directory.


    On sdb1 I got /EFI/debian/grubx64.efi
    On sdb2 I got /proc /sys /run etc.



    I'm not sure if sdb1 is my boot-partition or not - I tried both skipping/executing 8 sudo mount /dev/sdXY /mnt/boot.



    I used sdb2 for all other sdXY-commands.



    When I execute 13 update-grub I get lots of mkdir: cannot create directory '/var/lib/os-prober/mount': No such file or directory.



    How do I recreate the bootloader?










    share|improve this question







    New contributor




    UNeverNo is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.























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      0








      I setup debian 9 for a friend of mine. Now I got the laptop back and no bootable media is found on start.



      I booted from the usb drive I installed from using the live mode and followed these steps: https://wiki.debian.org/GrubEFIReinstall which led me to here: https://help.ubuntu.com/community/Grub2/Installing#via_ChRoot



      When I execute 12 grub-install /dev/sdb I get



      Installing for x86_64-efi platform.
      error: cannot find EFI directory.


      On sdb1 I got /EFI/debian/grubx64.efi
      On sdb2 I got /proc /sys /run etc.



      I'm not sure if sdb1 is my boot-partition or not - I tried both skipping/executing 8 sudo mount /dev/sdXY /mnt/boot.



      I used sdb2 for all other sdXY-commands.



      When I execute 13 update-grub I get lots of mkdir: cannot create directory '/var/lib/os-prober/mount': No such file or directory.



      How do I recreate the bootloader?










      share|improve this question







      New contributor




      UNeverNo is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.












      I setup debian 9 for a friend of mine. Now I got the laptop back and no bootable media is found on start.



      I booted from the usb drive I installed from using the live mode and followed these steps: https://wiki.debian.org/GrubEFIReinstall which led me to here: https://help.ubuntu.com/community/Grub2/Installing#via_ChRoot



      When I execute 12 grub-install /dev/sdb I get



      Installing for x86_64-efi platform.
      error: cannot find EFI directory.


      On sdb1 I got /EFI/debian/grubx64.efi
      On sdb2 I got /proc /sys /run etc.



      I'm not sure if sdb1 is my boot-partition or not - I tried both skipping/executing 8 sudo mount /dev/sdXY /mnt/boot.



      I used sdb2 for all other sdXY-commands.



      When I execute 13 update-grub I get lots of mkdir: cannot create directory '/var/lib/os-prober/mount': No such file or directory.



      How do I recreate the bootloader?







      debian grub2 boot-loader






      share|improve this question







      New contributor




      UNeverNo is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      share|improve this question







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      UNeverNo is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.









      share|improve this question




      share|improve this question






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      asked 56 mins ago









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