[Bug 1588589] Re: Grub failed because of UEFI mode instead of BIOS mode

[Phillip Susi]

Your disk is currently partitioned to boot in bios mode, but you booted
the 16.04 installer in EFI mode. A warning message prompted you that
this could be a problem and recommended performing a bios mode install
instead, but you chose not to. You either need to perform the bios mode
install, or partition the disk using GPT and set up an EFI system
partition to install in EFI mode. This will be done for you if you
choose the "use entire disk" guided install option.

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

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Title:
  Grub failed because of UEFI mode instead of BIOS mode

Status in grub-installer package in Ubuntu:
  Invalid

Bug description:
  I am trying to replace my 14.04 to 16.04. I formatted my older ext4 /
  and ext2 /boot but preserve my older /home.

  while trying to install I had a warning about being in UEFI mode but I
  had no choice, I don't know how to boot the USB key in any other way
  than the one I chose (and I'm not even sure how I've set it in UEFI
  mode)

  At the end of the install I got a popup window telling my that Grub
  failed and that the newly installed system will not boot.

  I will now try to tweek grub manually.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: ubiquity 2.21.63
  ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6
  Uname: Linux 4.4.0-21-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2
  Architecture: amd64
  CasperVersion: 1.376
  Date: Thu Jun  2 22:56:47 2016
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu.seed boot=casper quiet splash ---
  LiveMediaBuild: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
  ProcEnviron:
   LANGUAGE=en_CA.UTF-8
   PATH=(custom, no user)
   LANG=en_CA.UTF-8
   SHELL=/bin/bash
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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