"Unknown Filesystem" error without CDROM

Posted by Utku Tarhan on Ask Ubuntu See other posts from Ask Ubuntu or by Utku Tarhan
Published on 2012-06-13T19:09:49Z Indexed on 2012/07/11 3:23 UTC
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I've got a problem with Ubuntu 12.04 LTS. At first I ran mount command on terminal. Then I restarted my computer. After that, when my computer opened there is writing this:

error: unknown filesystem

grub rescue>

I searched commands and I found ls command. I tried it and I got this:

(hd0) (hd0,msdos5) (hd0,msdos1)

My computer's DVD driver is broken and I tried to boot Ubuntu on USB but it doesn't worked.

My computer's specs:

  • PC Name: HP Presario F780ET
  • Processor: AMD Turion 64 X2 Mobile Technology TL-60
  • Ram: 2GB
  • Ubuntu Version: 12.04 LTS

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