Ubuntu 18.04 boots to grub rescue menu

Bug #1777247 reported by Naeem Akhtar
10
This bug affects 2 people
Affects Status Importance Assigned to Milestone
grub-installer (Ubuntu)
Invalid
Undecided
Unassigned

Bug Description

I have recently downloaded ISO image of ubuntu 18.04 and was trying to reinstall by erasing all my current ubuntu 16.04 partition. I was having windows 10 dual boot with ubuntu 16.04 . I have used a bootable flash drive to reinstall ubuntu 18.04 but it ended up giving error " 'grub-efi-amd64-signed' package failed to install into /target/. Without the grub boot loader, the installed system will not boot." Now I cannot access to any of operating sysytem. I am only getting grub rescue menu.

I am able to access my other partition using live-usb having ubuntu 18.06 but cannot boot windows.
Any way to install ubuntu properly.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubiquity 18.04.14
ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
Uname: Linux 4.15.0-20-generic x86_64
ApportVersion: 2.20.9-0ubuntu7
Architecture: amd64
CasperVersion: 1.394
Date: Sat Jun 16 19:37:38 2018
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed boot=casper quiet splash ---
LiveMediaBuild: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
SourcePackage: grub-installer
UpgradeStatus: No upgrade log present (probably fresh install)

Revision history for this message
Naeem Akhtar (nakhtar7777) wrote :
Paul White (paulw2u)
summary: - I have recently downloaded ISO image of ubuntu 18.04 and was trying to
- reinstall by erasing all my current ubuntu 16.04 partition. I was having
- windows 10 dual boot with ubuntu 16.04 . I have used a bootable flash
- drive to reinstall ubuntu 18.04 but it ended up giving error " 'grub-
- efi-amd64-signed' package failed to install into /target/. Without the
- grub boot loader, the installed system will not boot." Now I cannot
- acess to any of operating syaytem. I am only getting grub rescue menu.
+ Ubuntu 18.04 boots to grub rescue menu
Revision history for this message
Phillip Susi (psusi) wrote :

Your disk is currently partitioned to boot in bios mode, but you booted the installer in EFI mode. You either need to boot the installer in bios mode, 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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