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-   -   GRUB error: unknown filesystem, grub rescue (

nnjond 12-24-2011 04:28 AM

GRUB error: unknown filesystem, grub rescue

I'm trying to repair my grub with a live cd.

sudo fdisk -l

Disk /dev/sda: 250.1 GB

But sudo mount /dev/sda


can't find...

I understand I need to mount before I,-

sudo grub-install --root-directory=/mnt/ /dev/sda

james2b 12-24-2011 04:45 AM

That drive may have a corrupt or deleted partition table, to fix use Test Disk found here; , and on the System Rescue Disk here too;, I think that tool is also on the GParted (gnome partition editor) found here; , so good luck fixing it.

nnjond 12-24-2011 06:45 AM


I have dl Testdisk 6.X but it has appeared as a dir. How do I convert it to an iso to burn to disk?

273 12-26-2011 01:42 AM

I may be wrong but don't you have to tell mount which partition you want to mount, so you would want to type "mount /dev/sda1" rather than "mount /dev/sda"?

james2b 12-26-2011 07:46 PM

That Test Disk as a folder may be a compressed or zipped files, so either right click that and select the right application to un-compress it, or go back to download the correct iso file format. I have only done that in Windows, so if you are doing this in Linux, it may involve more steps.

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