> Did the EFI System Partition on /dev/sdb1 exist before the install? I don't think so, because the user did not know what EFI is.
> Installer logs (syslog and partman) would help. Unfortunately i can't provide them, because the user reinstalled (after disconnecting the USB key, and formating sda4,5,6,7), which led to the situation described in Bug#959446 . -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/956412 Title: Ubiquity placed grubx64.efi on USB disk To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/956412/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs