During the upgrading process from 15.10 to 16.04 , various warnings occurred about dependencies which could not been resolved.
Now in 16.04 , but sudo apt-get dist-upgrade produces : Paramétrage de shim-signed (1.12+0.8-0ubuntu2) ... Installation pour la plate-forme x86_64-efi grub-install : erreur : impossible de trouver le répertoire EFI. dpkg: erreur de traitement du paquet shim-signed (--configure) : le sous-processus script post-installation installé a retourné une erreur de sortie d'état 1 Des erreurs ont été rencontrées pendant l'exécution : shim-signed E: Sub-process /usr/bin/dpkg returned an error code (1) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1571925 Title: grub-install: error: cannot find EFI directory. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2-signed/+bug/1571925/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs