Ubuntu – Ubuntu installation failure – Unable to install GRUB

14.04dual-bootgrub2lenovo

Lately I bought a new laptop – Lenovo Yoga 2 Pro 13" – Intel i5-4210U, 256 SSD.

I have tried to install Ubuntu 14.04 using these guides:
Ubuntu on Lenovo Yoga 2 Pro
http://peaceplantsandpushups.com/2014/03/12/22/

After I did step 7 in the second guide, I haven't succeeded to save, so I restarted my computer in order to do it again.

From this point, I couldn't boot into Ubuntu, and every time I try to reinstall Ubuntu I get this annoying error:

Unable to install GRUB in /dev/sda
Executing 'grub-install /dev/sda' failed.
This is a fatal error.

I tried to follow this guide:
"Unable to install GRUB in /dev/sda" when installing GRUB

But it isn't working. I have no idea how to proceed.

How do I fix this?

Best Answer

Solving 'grub-install /dev/sda' failed error.

  1. sudo mount /dev/sdaX /mnt # Make "X" the partition that has Ubuntu installed (i.e. /dev/sda2).
  2. for i in /sys /proc /run /dev; do sudo mount --bind "$i" "/mnt/$i"; done
  3. sudo chroot /mnt
  4. update-grub
    5. if no errors skip this
  5. grub-install /dev/sdX (x is the hard drive that has linux installed (i.e. /dev/sda)
    6. update-grub Reboot the system
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