I have a dual boot system (Windows 8.1 and Ubuntu 14.04.02), However recently I have changed my motherboard and since then I am getting an error. I have reinstalled both of my operating systems and followed these but it was still no use:

I have tried installing lilo by using a live-disc which gave me access to Windows, but if I reinstall Ubuntu I get the same error at startup again. I want to get back to the grub2 boot menu so that I can access both Windows and Ubuntu. this is how it looks: http://i.ytimg.com/vi/zwed_1NqAZI/maxresdefault.jpg
(sorry couldn't upload an image)
and here is the link after performing boot repair: paste.ubuntu.com/10739355/


What I would if I were you, based on the information your provided:

  • Boot from a live CD
  • Back-up my data
  • Format the hard drive
  • Reinstall Windows in BIOS mode
  • Reinstall Ubuntu in BIOS mode
  • Restore my data
  • thanks for the solution ,it worked.. but any idea what could have been the reason for this problem? – Irsham Ali May 17 '15 at 21:20
  • When you change the motherboard of the computer you change a lot of things at the same time... So it's just easier to reinstall and change all modules then to try and find the single module in your old set-up that was causing the problem... – Fabby May 18 '15 at 7:38

Does your HDD have a recovery partition before the ESP?

On some UEFI systems, it requires a recovery partition at the beginning of the drive and the ESP as the second partition. and of course gpt partition tables for UEFI.

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