Ask Ubuntu Asked by Marek Urbanowicz on November 21, 2021
I am trying to upgrade to 18.04 using sudo do-release-upgrade -d
, but it exits the installation with the message:
Calculating the changes
EFI System Partition (ESP) not usable
Your EFI System Partition (ESP) is not mounted at /boot/efi.
Please ensure that it is properly configured and try again.
Restoring original system state
Aborting
I have Windows on this machine as dual boot. Fast boot is disabled on Windows 10.
I have tried to mount it in GParted but the option is disabled…
What should I do to be able to move forward?
You have to mount your ESP. This should work with:
sudo mount /boot/efi
If you get an error message like
mount: can't find /boot/efi in /etc/fstab
you have to add a line to your /etc/fstab
e.g.
UUID=XXXX-XXXX /boot/efi vfat umask=0077 0 1
replace the XXXX-XXXX
with the UID of your ESP (e.g. from the output of blkid /dev/sdxX
or from gparted (92E8-1BEE in your case))
Answered by mbeyss on November 21, 2021
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