i've been pulling my hair out because of this, so i had a dual boot(non UEFI, normal BIOS) of windows 8.1 and ubuntu 14.04 and i decided to replace ubuntu with elementary OS 64 bit then installation fails saying package grub-pc failed to install at /target/ so i choose don't install boot loader, after that i boot into the live system again and try grub-install /dev/sda but i get the error /usr/lib/grub/i386-pc/modinit.sh doesn't exist, i would greatly appreciate any help, thank you.
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Re-installing while connected to the internet should fix the problem, assuming you weren't before.– Lewis Goddard ♦Commented Sep 29, 2015 at 18:02
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@Lewis Gooddard, tried that but no luck– user2587Commented Sep 29, 2015 at 18:14
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same problem here... installing while connected to the internet doesn't solve the problem– user2623Commented Oct 2, 2015 at 0:36
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what is your exact problem?....not able to boot to any OS?– RavanCommented Oct 10, 2015 at 13:20
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@zola let me know my answer is useful to you =)– RavanCommented Oct 20, 2015 at 13:47
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2 Answers
Open terminal and run:
sudo mount /dev/sda6 /mnt
sudo grub-install --boot-directory=/mnt/boot /dev/sda
sudo update-grub
Note: In first command /dev/sda6 is elementary OS /root partition.Replace 6 with your partition number.
I believe I solved this using a live cd to chroot into the target system, then installing grub-pc.
Instructions on how to chroot can be found here: http://howtoubuntu.org/how-to-repair-restore-reinstall-grub-2-with-a-ubuntu-live-cd
Before you run the grub-install command, run sudo apt-get install grub-pc
