Setting up shim-signed (1.18~16.04.1+0.8-0ubuntu2) ...
Installation pour la plate-forme x86_64-efi
grub-install : erreur : impossible de trouver le répertoire EFI.
dpkg: error processing package shim-signed (--configure):
subprocess installed post-installation script returned error exit status 1
Please attach your /etc/fstab file and show the output of the 'mount' command.
The error in your logs is:
Setting up shim-signed (1.18~16. 04.1+0. 8-0ubuntu2) ...
Installation pour la plate-forme x86_64-efi
grub-install : erreur : impossible de trouver le répertoire EFI.
dpkg: error processing package shim-signed (--configure):
subprocess installed post-installation script returned error exit status 1
Please attach your /etc/fstab file and show the output of the 'mount' command.