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How to fix "error: unknown filesystem. grub rescue>

please help me. I don't know how it has happened. I was recovering some data with Photorec (not sure if it's important) and at night I woke up, it was still running. I was sleepy and I turned off my notebook, not closing anything, I think recovering was not finished yet. Now, when I turn on NoteBook it is like error...I've tried everything I found on the Internet, but nothing worked. Here is what it does and what I've tried:

error: no such partition
grub rescue> ls
(hd0) (hd0,msdos5)
grub rescue> ls (hd0,msdos5)/
error: unknown filesystem.

So there are only two and both are unknown filesystems. I'm sorry, I really don't understand those things. Please, please help me. Thank you in advance

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marked as duplicate by jokerdino, Jorge Castro, Tom Brossman, Mik, belacq Nov 1 '12 at 1:06

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

    
this works 100%-do it straightaway...i've done it couple of times-opensource-sidh.blogspot.in/2011/06/… –  Nirmik Jun 3 '12 at 13:57
    
but..I need Ubuntu live CD for this..:/ –  Sus Jun 3 '12 at 14:04
    
yes...you need it any ways...even if you want to use grub rescue the application,you have to do it through a live cd...this mostly happens because of an un-updated (after changes) grub.conf file... –  Nirmik Jun 3 '12 at 14:06
    
oh..so how can I get that cd? or usb? –  Sus Jun 3 '12 at 14:09
    
from the internet(you'll obviously have to use another pc/laptop)...you may download it from here-ubuntu.com/download/desktop...OR for torrent links from here-ubuntu.com/download/desktop/alternative-downloads...After downloading the iso image,make a bootable CD/USB using Unetbootin...boot it and follow those instructions –  Nirmik Jun 3 '12 at 14:15

1 Answer 1

up vote 0 down vote accepted

Since your main issue seems to be on how you create a Live-CD. I suggest you take a look at this question. it's a guide on how you create a Live-cd with USB (Unetbootin).

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Thanks, I think I can make it :) ..and my flash will be usable then? –  Sus Jun 3 '12 at 15:41
    
@Sus just reboot with your usb after you've done the install and boot from it (differs from model to model, like press F2 or so), and your computer should boot from the Usb. –  Alvar Jun 3 '12 at 15:43
    
Thank you so much. you're genius : –  Sus Jun 3 '12 at 15:55
    
@Sus accept my answer if it solved your question. Thanks. –  Alvar Jun 3 '12 at 15:58

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