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Thread: Can't boot! error: out of disk grub rescue>

  1. #1
    Join Date
    Nov 2009
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    9

    Can't boot! error: out of disk grub rescue>

    I'm running a dual-boot of Ubuntu 9.10 and Vista on my MSI VR440X. I used my laptop this morning and everything was working fine. But I just got home and turned on the laptop and it won't boot! I get:

    GRUB loading (as usual)

    but after that I get:

    error: out of disk.
    grub rescue>

    I even tried booting from an Ubuntu CD. I boots, but any option I choose gives me a black screen with nothing but a _ as if I have to type a command or something. I know it can't possibly mean I'm out of disk space; I had plenty left. Besides, it all worked perfectly this morning. In fact, I didn't even run Ubuntu this morning, I used Vista! I anyone could help me I would really appreciate it. By the way, I'm a total newb when it comes to command prompts and whatever... Anyway, thx!

  2. #2
    Join Date
    Nov 2009
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    9

    Re: Can't boot! error: out of disk grub rescue>

    Please! I can't boot Ubuntu or Windows... No one knows what I could do??

  3. #3
    Join Date
    Aug 2007
    Beans
    37

    Re: Can't boot! error: out of disk grub rescue>

    Hi. I saw your post. Sorry yu sys is playin up. I aint no expert with any of this, but mebe one thing that might get you somewhere is to look @ the grub commands so you try to boot your linux image direct and see if that helps. I can't think of the commands off the top of my head but I know grub is pretty powerful to get things up and running again.

    Will update with the kinda thing I mean.

    Edit: Found this with a quick search. Ignore the making a floppy part but look @ the commands and see if you can adjust as necessary.

    http://www.linuxjournal.com/article/4622

    Good luck
    Last edited by Jabb3r; November 19th, 2009 at 11:27 PM.

  4. #4
    Join Date
    Jan 2008
    Location
    Paris
    Beans
    15
    Distro
    Ubuntu 10.10 Maverick Meerkat

    Re: Can't boot! error: out of disk grub rescue>

    I have exactly the same problem. Started last night, after a reboot. When inspecting (hd0,1)/dev... I see no sda1 there... no sda at all actually. No wonder grub can't find the disk.
    The big questions now... how can /dev/sda be missing, what causes this and, most important, how to fix it?

  5. #5
    Join Date
    Jan 2008
    Location
    Paris
    Beans
    15
    Distro
    Ubuntu 10.10 Maverick Meerkat

    Re: Can't boot! error: out of disk grub rescue>

    Quote Originally Posted by Jabb3r View Post
    This article is from 2001... this is a problem with grub 2.

  6. #6
    Join Date
    Aug 2009
    Location
    Pocono's in PA
    Beans
    33
    Distro
    Ubuntu 10.04 Lucid Lynx

    Re: Can't boot! error: out of disk grub rescue>

    Seems odd that this happened to me yesterday as well? After doing a update manager session, I came back to the computer a couple of hours later and it had locked up. I did a reboot, and got the errorut of disk,grub rescue. Using live CD now to post this. I was running dual HDs with the grub on HD0, which, now cannot be seen.

    My question...I want to load grub on the HD1 and remove HD0 (which is failing anyway) anyway to do that using live CD?

    Thanks

  7. #7
    Join Date
    Nov 2009
    Location
    Madrid, Spain
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    1,403
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Can't boot! error: out of disk grub rescue>

    May be you could try to reinstall grub2.

    Start the system with a LiveCd.

    Open a terminal and type:

    fdisk -l

    Take note of the Linux partition (I'll suppose that it's /dev/sda1 but change it if neceesary)

    mount /dev/sda1 /mnt
    mount --bind /dev /mnt/dev
    chroot /mnt
    install-grub /dev/sda
    update-grub2

    That is all.

    Best regards,

    Luis

  8. #8
    Join Date
    Aug 2009
    Location
    Pocono's in PA
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    33
    Distro
    Ubuntu 10.04 Lucid Lynx

    Re: Can't boot! error: out of disk grub rescue>

    Hi Luis,

    I used the fdisk -l and received no output. Still a newbie of sorts so thanks for your patience.

    I can mount the HD which is dev/sda1 with my working boot file and see the grub folder. can I reconfigure it there?

  9. #9
    Join Date
    Nov 2009
    Location
    Madrid, Spain
    Beans
    1,403
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Can't boot! error: out of disk grub rescue>

    I am sorry.

    I forgot the first command

    sudo bash
    fdisk -l
    ...

    Regards,

    Luis

  10. #10
    Join Date
    Jan 2007
    Beans
    Hidden!
    Distro
    Ubuntu Development Release

    Re: Can't boot! error: out of disk grub rescue>

    Getting a grub-rescue prompt normally means G2 can't find the grub.cfg file. Fortunately the Grub 2 rescue prompt will let you search for the partition on which the system is installed.

    Try using the Grub 2 Rescue mode to identify the correct partition and boot to it. Here are the community doc instructions on how to use the Rescue mode:
    Grub2 Rescue Mode
    GRUB2

    Retired.

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