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Possible Duplicate:
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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Sus
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  • this works 100%-do it straightaway...i've done it couple of times-http://opensource-sidh.blogspot.in/2011/06/recover-grub-live-ubuntu-cd.html – Nirmik Jun 03 '12 at 13:57
  • but..I need Ubuntu live CD for this..:/ – Sus Jun 03 '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 03 '12 at 14:06
  • oh..so how can I get that cd? or usb? – Sus Jun 03 '12 at 14:09
  • from the internet(you'll obviously have to use another pc/laptop)...you may download it from here-http://www.ubuntu.com/download/desktop...OR for torrent links from here-http://www.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 03 '12 at 14:15
  • Thank youu :) one more detail..Does it matter what USB I'll use? ..I've never used Unetbootin before. so I downloaded it and what to do now? – Sus Jun 03 '12 at 14:34

1 Answers1

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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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Alvar
  • 17,058
  • Thanks, I think I can make it :) ..and my flash will be usable then? – Sus Jun 03 '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 03 '12 at 15:43