[Bug 1754347] Re: package grub-efi-amd64-signed failed to install into /target ubuntu 16.04

[Phillip Susi]

Your USB stick contains files form both artful and xenial.  You need to
clean it before reusing it to install a different release.


** Changed in: grub-installer (Ubuntu)
       Status: New => Invalid

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Title:
  package grub-efi-amd64-signed failed to install into /target ubuntu
  16.04

Status in grub-installer package in Ubuntu:
  Invalid

Bug description:
  I had a dual boot windows 10/ubuntu 17.10, everything works perfectly, but after a windows 10 update I loose the duall boot. So because I don't like W10 and Ubuntu 17.10 I decide to install Ubuntu 16.04 (without W10 in dual boot), but I can't because this : "package grub-ufi-amd64-signed failed to install into /target". Now I can't use my laptop I don't have a boot! Only the usb key.
  Laptop : Dell Latitude e7074
  uefi mode with secure boot disabled
  (sorry for my english I am french)

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: ubiquity 2.21.63.6 [modified: lib/partman/automatically_partition/question]
  ProcVersionSignature: Ubuntu 4.13.0-36.40~16.04.1-generic 4.13.13
  Uname: Linux 4.13.0-36-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.15
  Architecture: amd64
  CasperVersion: 1.376.2
  Date: Thu Mar  8 14:49:26 2018
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu.seed boot=casper only-ubiquity quiet splash ---
  LiveMediaBuild: Ubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 (20180228)
  ProcEnviron:
   LANGUAGE=fr_FR.UTF-8
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=fr_FR.UTF-8
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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