[Bug 1649044] Re: using lenovo y700, error messge: " This machine's firmware has started the installer in UEFI mode but it looks like there may be existing operating system already installed using "BIOS compatabilty mode". If you continue to install Debain in UEFI mode, it might be difficult to reboot the machine into any BIOS-mode operating system later. If you wish to installn in uEFI mode and don't care about keeping thw ability to boot one of the existing system. you have the option to force that here"".

Launchpad Bug Tracker 1649044 at bugs.launchpad.net
Wed May 10 04:17:44 UTC 2017


[Expired for grub-installer (Ubuntu) because there has been no activity
for 60 days.]

** Changed in: grub-installer (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1649044

Title:
  using lenovo y700, error messge: " This machine's firmware has started
  the installer in UEFI mode but it looks like there may be existing
  operating system already installed using "BIOS compatabilty mode". If
  you continue to install Debain in UEFI mode, it might be difficult to
  reboot the machine into any BIOS-mode operating system later. If you
  wish to installn in uEFI mode and don't care about keeping thw ability
  to boot one of the existing system. you have the option to force that
  here"".

Status in grub-installer package in Ubuntu:
  Expired

Bug description:
  Please help to fix this. I am also unable to go back to my windows 10
  after this.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: ubiquity 2.21.63.2
  ProcVersionSignature: Ubuntu 4.4.0-31.50-generic 4.4.13
  Uname: Linux 4.4.0-31-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
  CasperVersion: 1.376
  Date: Sun Dec 11 09:06:48 2016
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu.seed boot=casper only-ubiquity quiet splash ---
  LiveMediaBuild: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
  ProcEnviron:
   LANGUAGE=en_IN
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_IN
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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