[Bug 1707962] [NEW] grub loader failed

[Karan]

Public bug reported:

Conclusion-
1) Fresh installation of Ubuntu gives "grub failed" error
2) On turning on windows 10 launches, no grub boot loader is accessible
3) Boot-repair doesn't work
4) No Wifi connection available when in "Try Ubuntu"
5) "sudo update-grub" doesn't work

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: ubiquity 2.21.63.3
ProcVersionSignature: Ubuntu 4.8.0-36.36~16.04.1-generic 4.8.11
Uname: Linux 4.8.0-36-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.20.1-0ubuntu2.5
Architecture: amd64
CasperVersion: 1.376.2
Date: Tue Aug  1 21:57:52 2017
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu.seed boot=casper quiet splash ---
LiveMediaBuild: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.2)
ProcEnviron:
 LANGUAGE=en_IN
 PATH=(custom, no user)
 LANG=en_IN
 SHELL=/bin/bash
SourcePackage: grub-installer
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: grub-installer (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug ubiquity-2.21.63.3 ubuntu xenial

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https://bugs.launchpad.net/bugs/1707962

Title:
  grub loader failed

Status in grub-installer package in Ubuntu:
  New

Bug description:
  Conclusion-
  1) Fresh installation of Ubuntu gives "grub failed" error
  2) On turning on windows 10 launches, no grub boot loader is accessible
  3) Boot-repair doesn't work
  4) No Wifi connection available when in "Try Ubuntu"
  5) "sudo update-grub" doesn't work

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: ubiquity 2.21.63.3
  ProcVersionSignature: Ubuntu 4.8.0-36.36~16.04.1-generic 4.8.11
  Uname: Linux 4.8.0-36-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.20.1-0ubuntu2.5
  Architecture: amd64
  CasperVersion: 1.376.2
  Date: Tue Aug  1 21:57:52 2017
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu.seed boot=casper quiet splash ---
  LiveMediaBuild: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.2)
  ProcEnviron:
   LANGUAGE=en_IN
   PATH=(custom, no user)
   LANG=en_IN
   SHELL=/bin/bash
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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