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Old 03-19-2011, 06:20 PM   #1
Chris C
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Registered: Mar 2011
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Need help with Ubuntu GRUB error


Hello Ubuntu experts:

I'm very new to this forum and I'm a beginner at using Ubuntu. I am using my wife's computer with a Windows operating system in order to seek help on how to fix my computer that has I think the latest version (Version 10.0 or something close to that) of Ubuntu downloaded on it.

I tried booting up my system the other night and upon booting up I received the following error:

GRUB error: unknown filesystem.
grub rescue>

Can someone help me walk through the steps to fix this error so that I can use my computer again? Being that I so new to using Ubuntu I would greatly appreciate step by step (detailed) instructions. I don't have the installation cd so I can't run that.

Thank you so much in advance.

-Chris C
 
Old 03-19-2011, 06:45 PM   #2
corp769
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Reburn the ubuntu disc, and run it in rescue mode. Run update-grub and see if you can relink the correct partitions in the grub config.
 
Old 03-19-2011, 09:33 PM   #3
yancek
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Registered: Apr 2008
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It would help us to help you if you posted more details. Did you have Ubuntu sucessfully installed and were you able to use it?
If so, what happened? changes made to the computer? other operating system(s) on it?
It is likely to be difficult to repair if you are unable to boot Ubuntu and don't have a Live/Installation CD or if you do not have the iso file to reburn. The error message you are getting happens when Grub is trying to directly boot a system on a filesystem it can't boot, usually windows. You can chainload windows but it won't boot directly from Grub.

Do you have any other Linux Live CD, GParted partition editor?? If not, you might download and burn GParted or a smaller Linux distro like Puppy Linux to get partition information to post.
 
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