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Grub rescue - error: unknown filesystem

i have installed ubuntu inside windows and then afterwords i installed fedora 16...all time during start up its show os selection by grub loader but after i did some partition on windows its shows error:unknown filesystem.enterting rescue mode.. grub rescue>

grub rescue>ls
and then i found out content of partition root as u told..
grub rescue>ls (hd0,msdos7)/
./ ../ lost+found/ etc/ dev/ boot/ var/ sys/ proc/ lib64/ usr/ bin/ home/ lib/ media/ mnt/ opt/ root / run/ sbin/srv/ tmp/ .readahesd
grub rescue>ls (hd0,msdos7)/boot/grub
./ ../ splash.xmp.gz
grub rescue>set prefix=(hd0,msdos7)/boot/grub

and then if i give all load module command it says error:file not found. what i can do now any body help this hoping for correct solution

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marked as duplicate by jokerdino, devav2, Jorge Castro, theDefector, Tom Brossman Oct 31 '12 at 12:47

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1 Answer 1

You said you did some partitioning - what precisely did you do? If you e.g. splitted, deleted or created a partition before your Linux partition, the numbering of the partitions has changed.

In your case (hd0,msdos7)/boot/grub seems to be missing all the grub specific files except a splash image. Normally it should include a variety of files, esp. the modules that are to be loaded (e.g. normal.mod). Did you accidentally delete these files? Or maybe you have a dedicated boot partition, in which case you should find this one and set prefix to it (without the /boot/grub at the end).

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