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Note: I have already checked all the answers available on stackoverflow and various other forums. But could find no solution that would help me solve "grub install /dev/sda failed fatal error"

I have made sure the UEFI mode is selected and not legacy. Secure boot is off. Fastboot is turned off.

There is one partition(sda 6 for ubuntu). sda 1 EFI for as windows boot manager(And assuming that grub will be installed here). I am using live usb to install Ubuntu.

I have also tried with and without a new EFI drive sda4. Please help me resolve this and get Ubuntu 16.04 installed

I have attached the screenshots for reference.

UEFI Boot selected

partition list

Mukund Gandlur
  • 81

1 Answers1

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I experienced the same problem while trying to install Ubuntu 14.04 alongside Windows 8.1 Pro. However, make sure you uncheck Turn off secure boot, and then reboot your computer. After that press F8 or F2 depending on your computer, then make sure you boot in UEFI and not Legacy.

After installing Ubuntu, reboot the system. If it chooses Ubuntu automatically and didn't show the GRUB boot loader, this means you have to do one more step.

In Ubuntu, after logging in:

  • Connect to the Internet.

  • Open a new Terminal by pressing Ctrl+Alt+T, then type the following commands (press Enter after each line):

    sudo add-apt-repository ppa:yannubuntu/boot-repair
sudo apt-get update
sudo apt-get install -y boot-repair && boot-repair

This boot manager will help uninstalling the old version of GRUB and reinstalling a new version of it. Just follow its steps.

I hope I solved your problem. If there's anything else, please leave a comment.

Eliah Kagan
  • 119,640
David Kamal
  • 1