[Bug 1853924] [NEW] installation impossible, grub not found.

[Arthur Schwing]

Public bug reported:

While trying to install Ubuntu in dual-boot with windows 7 pro on a Lenovo b51-80 installation could not be completed due to Grub could not be found. Big problem is that now the computer cannot even boot on windows 7. I get a blue screen due to hard drive corrupted while booting.
The hard drive was partitionned with a free partition reserved for Linux and formatted before installation. I don't understand why it corrupted the other partition.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubiquity 18.04.14.12
ProcVersionSignature: Ubuntu 5.0.0-23.24~18.04.1-generic 5.0.15
Uname: Linux 5.0.0-23-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.7
Architecture: amd64
CasperVersion: 1.394
CurrentDesktop: ubuntu:GNOME
Date: Tue Nov 26 14:15:14 2019
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed cdrom-detect/try-usb=true persistent noprompt floppy.allowed_drive_mask=0 ignore_uuid boot=casper quiet splash ---
LiveMediaBuild: Ubuntu 18.04.3 LTS "Bionic Beaver" - Release amd64 (20190805)
ProcEnviron:
 LANGUAGE=fr_FR.UTF-8
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=fr_FR.UTF-8
 LC_NUMERIC=C.UTF-8
SourcePackage: grub-installer
UpgradeStatus: No upgrade log present (probably fresh install)

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


** Tags: amd64 apport-bug bionic ubiquity-18.04.14.12 ubuntu

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https://bugs.launchpad.net/bugs/1853924

Title:
  installation impossible, grub not found.

Status in grub-installer package in Ubuntu:
  New

Bug description:
  While trying to install Ubuntu in dual-boot with windows 7 pro on a Lenovo b51-80 installation could not be completed due to Grub could not be found. Big problem is that now the computer cannot even boot on windows 7. I get a blue screen due to hard drive corrupted while booting.
  The hard drive was partitionned with a free partition reserved for Linux and formatted before installation. I don't understand why it corrupted the other partition.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubiquity 18.04.14.12
  ProcVersionSignature: Ubuntu 5.0.0-23.24~18.04.1-generic 5.0.15
  Uname: Linux 5.0.0-23-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.7
  Architecture: amd64
  CasperVersion: 1.394
  CurrentDesktop: ubuntu:GNOME
  Date: Tue Nov 26 14:15:14 2019
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed cdrom-detect/try-usb=true persistent noprompt floppy.allowed_drive_mask=0 ignore_uuid boot=casper quiet splash ---
  LiveMediaBuild: Ubuntu 18.04.3 LTS "Bionic Beaver" - Release amd64 (20190805)
  ProcEnviron:
   LANGUAGE=fr_FR.UTF-8
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=fr_FR.UTF-8
   LC_NUMERIC=C.UTF-8
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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