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Thread: GRUB- error: no such partition grub rescue>

  1. #1
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    Dec 2009
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    Exclamation GRUB- error: no such partition grub rescue>

    Before I start you should know that I am completely new to ubuntu. I have windows 7 installed on my computer as well as ubuntu 9.10. I recently deleted the ubuntu to make room on my computer for some HD movies that I was planning on burning. I am planning to reinstall ubuntu once I'm done with these movies. Since uninstalling ubuntu i am no longer able to boot my windows 7 or do anything on my computer. Now when I try to start my computer the only message that I get is:
    GRUB loading.
    error: no such partition
    grub rescue>
    My computer is stuck at this point. I need help getting my computer working again. I want to keep the GRUB loader because I planning on reinstalling ubuntu. If anyone can help me it would b greatly appreciated.

  2. #2
    Join Date
    Sep 2008
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    Re: GRUB- error: no such partition grub rescue>

    can you boot into windows by entering the following commands?

    Code:
    grub> rootnoverify (hd0,0)
    grub> makeactive
    grub> chainloader +1
    grub> boot
    Last edited by leef; December 20th, 2009 at 11:36 AM.
    Regards Lee

  3. #3
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    Dec 2009
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    Re: GRUB- error: no such partition grub rescue>

    I tried this and when I try to use the command rootnoverify (hd0,0) it produces the response of unknown command. Is there anything else that I can try?

  4. #4
    Join Date
    Jan 2007
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    Ubuntu Development Release

    Re: GRUB- error: no such partition grub rescue>

    When you deleted the Ubuntu partition you deleted the configuration files necessary for Grub 2 to boot. But Grub 2 is what is on your MBR and controlling your computer's boot process.

    You need to restore your Windows bootloader. You can reinstall Grub 2 when you reinstall Ubuntu.

    If that is an acceptable solution, this guide will show you how to do it:

    How to restore the Ubuntu/XP/Vista/7 bootloader (Updated for Ubuntu 9.10)
    GRUB2

    Retired.

  5. #5
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    Sep 2008
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    Re: GRUB- error: no such partition grub rescue>

    It might be different in grub2 instead of rootnoverify (hd0,0), try "set root=(hd0,0)" sorry about that, maybe if that doesn't get it maybe try repairing windows with the windows installation media and then worry about reinstall grub when ubuntu is reinstalled?
    Regards Lee

  6. #6
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    Dec 2009
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    Re: GRUB- error: no such partition grub rescue>

    thank you very much it worked like a charm

  7. #7
    Join Date
    Mar 2009
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    33

    Re: GRUB- error: no such partition grub rescue>

    Quote Originally Posted by mg283633 View Post
    I tried this and when I try to use the command rootnoverify (hd0,0) it produces the response of unknown command. Is there anything else that I can try?
    I get the same error, looks like this problem is frustrating a lot of people and there is not a guide for non experts.
    I reinstalled Ubuntu 9.10 3 times and I get the same problem.
    I never get the grub> prompt, only the grub rescue> prompt.
    Then I get unknown command with everything I type.
    During Ubuntu installation there are "advanced options" but I have not been able to find a help about, not even on the entire Ubuntu site.
    I followed the "How to restore the Ubuntu/XP/Vista/7 bootloader (Updated for Ubuntu 9.10)" but still does not work.
    SORRY I made a mistake, IT WORKS NOW!!!!
    Too bad!
    Last edited by julio prada; December 20th, 2009 at 03:40 PM.

  8. #8
    Join Date
    May 2009
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    Ubuntu 11.10 Oneiric Ocelot

    Re: GRUB- error: no such partition grub rescue>

    I'd love to follow the advice of this thread, but I'm using a netbook with no access to a disk drive. Any suggestions? I've got a flash drive with Ubuntu 9.10 installed in lieu of a live CD.

    Thanks!

    -Val
    "I may disagree with what you have to say, but I shall defend, to the death, your right to say it."
    -Voltaire

  9. #9
    Join Date
    Apr 2008
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    3,317
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    Kubuntu 9.10 Karmic Koala

    Re: GRUB- error: no such partition grub rescue>

    I've got a flash drive with Ubuntu 9.10 installed in lieu of a live CD.
    Open a terminal in ubuntu and run

    Code:
    sudo apt-get install lilo
    (Ignore the message you will get. Just hit enter).

    Then

    Code:
    sudo lilo -M /dev/sda mbr
    Here /dev/sda has to be the device name of your internal hard drive. It is almost certainly /dev/sda, but you should double check with "sudo fdisk -lu"

  10. #10
    Join Date
    May 2009
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    Ubuntu 11.10 Oneiric Ocelot

    Re: GRUB- error: no such partition grub rescue>

    Sorry I didn't explain further, but I can't boot from the flash drive, 'cause I think I removed Grub when I deleted partitions. However, I've fixed the problem for now by installing Ubuntu 9.04 (that's what I had at the moment) onto the flash drive, including Grub.

    That enabled me to boot from the flash drive and access Grub; from there I can boot into Windows or the flash drive Ubuntu. It's a good workaround until I can fix the problem more permanently.

    I don't think I'll need any more help here!

    -Val
    "I may disagree with what you have to say, but I shall defend, to the death, your right to say it."
    -Voltaire

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