[Bug 1685785] Re: Installing Ubuntu when Win10 is already installed

[Phillip Susi]

Your disk is currently partitioned to boot in bios mode, but you booted
the 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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https://bugs.launchpad.net/bugs/1685785

Title:
  Installing Ubuntu when Win10 is already installed

Status in grub-installer package in Ubuntu:
  Invalid

Bug description:
  I already have Windows10 installed on my desktop computer and I tried
  to install Ubuntu 17.04 alongside Win10. I created two partitions, one
  ext4 for root ('/') and one swap partition. During installation, I
  received the following error: "The 'grub-efi-amd64-signed' package
  failed to install into /target/." More precise description of this
  error was "The disk contains an unclean file system *0, 0). Metadata
  kept in Windows cache, refused to mount..."

  ProblemType: Bug
  DistroRelease: Ubuntu 17.04
  Package: ubiquity 17.04.9
  ProcVersionSignature: Ubuntu 4.10.0-19.21-generic 4.10.8
  Uname: Linux 4.10.0-19-generic x86_64
  ApportVersion: 2.20.4-0ubuntu4
  Architecture: amd64
  CasperVersion: 1.380
  Date: Mon Apr 24 14:26:46 2017
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu.seed boot=casper only-ubiquity quiet splash ---
  LiveMediaBuild: Ubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412)
  ProcEnviron:
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   LC_NUMERIC=C.UTF-8
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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