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I have computer that was configured to dual boot Ubuntu 12.04 LTS and Windows 8.

When the computer was rebooted afte shut down the computer fails with following errors

Checking media = Failed

No Bootable device - Please restart

Before shuting down by mistake I wrote to (dd) /dev/sda thinking it was the SD card drive.

Is there anything that I can do to recovery with out reinstalling everything all over again.

The data was backuped up a few weeks ago.

Any thoughts.

706Astor
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1 Answers1

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just boot from the livecd and run grub-update on /dev/sda if that's all that's wrong, other wise there isn't much you can do.

sbergeron
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    No problem, I was binge answering at the time, that's the reason for the quick reply :p – sbergeron Jun 27 '14 at 20:40
  • I have looked a few Grub tutorial. Do you know of any really basic grub tutorial, or examples that will help me get started on grub? – 706Astor Jun 30 '14 at 19:19
  • overall I like to use grub customizer as it is gui based and offers many methods of customization. google for it, it's possible to install it even while in a livecd environmend, you just need to reinstall it each time. I only use update-grub when my system won't boot, in which case just running sudo update-grub /dev/sda usually fixes it automatically. Please mark the answer as just that if it is that:P – sbergeron Jun 30 '14 at 20:53