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Help !!! Can no longer boot, GRUB error 15, file not found ---- SOLVED !

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    #1

    Help !!! Can no longer boot, GRUB error 15, file not found ---- SOLVED !

    Hi,

    Here's my story. Yesterday I have updated KDE (kubuntu 7.10) with the new released KDE 3.5.9 (http://kubuntu.org/announcements/kde-359.php). Something went wrong during the update as the adept manager stopped the process (broken package as I remember). No big worries, I abandoned the idea of updating and turned off my computer. This morning I started my computer and the GRUB says "Error 15 : File not found. Press any key to continue..."
    Pressing any key, I get to the screen listing the OS installed which are Ubuntu 7.10, Kernel 2.6.22-14-generic, same with recovery mode and memtest86+
    trying to boot with the recovery mode didn't work.
    Does anybody know what happened and how to get my system boot again ?
    This is my work computer... I'm pretty desperate.
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    #2
    Re: Help !!! Can no longer boot, GRUB error 15, file not found


    See Reply #23 here:
    How To GRUB Methods - Toolkit
    http://kubuntuforums.net/forums/inde...opic=3081671.0

    But I don't think that'll help here.
    Somehow, (my guess) that update messed with either your kernel or initrd, now your boot menu doesn't work.

    From a live CD, you might try to chroot into your Kubuntu partition and as root run:
    sudo dpkg --configure -a
    See if that cleans up loose ends that may be at blame here.

    (Same thing happened to me recently, broken initrd, and I broke my system even more trying to repair it, so I'm still trying to figure this out; have seen a few more recently, too, 15's)
    An intellectual says a simple thing in a hard way. An artist says a hard thing in a simple way. Charles Bukowski
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      #3
      Re: Help !!! Can no longer boot, GRUB error 15, file not found

      Thanks a lot for your reply.
      I've been using Kubuntu for some time now, but I'm still a "noob" and I don't know how to "chroot into my kubuntu partition". I have the live CD running, with a konsole opened. Tried chroot --help, didn't help me much. How do I chroot into my kubuntu partition ?
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        #4
        Re: Help !!! Can no longer boot, GRUB error 15, file not found

        Originally posted by xav
        Thanks a lot for your reply.
        I've been using Kubuntu for some time now, but I'm still a "noob" and I don't know how to "chroot into my kubuntu partition". I have the live CD running, with a konsole opened. Tried chroot --help, didn't help me much. How do I chroot into my kubuntu partition ?
        Well, looking into what chroot is, I understand a bit more, the problem is that I cannot access my kubuntu root because the hd appeared unmounted
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          #5
          Re: Help !!! Can no longer boot, GRUB error 15, file not found

          PROBLEM SOLVED !!!!!
          After finding how to mount my hd, I chroot to my Kubuntu partition and did sudo --configure -a
          Now I can boot again. !

          Thank you so much Qqmike
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            #6
            Re: Help !!! Can no longer boot, GRUB error 15, file not found ---- SOLVED !

            Great! Sorry, I got pulled away with interruptions here.

            Did you just do something like:

            mkdir /media/recoverK710
            mount /dev/sdax /media/recoverK710
            chroot /media/recoverK710
            then the
            sudo dpkg --configure -a

            (in case someone else needs the details, and it seems there's some problems with these updates we are getting)
            An intellectual says a simple thing in a hard way. An artist says a hard thing in a simple way. Charles Bukowski
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              #7
              Re: Help !!! Can no longer boot, GRUB error 15, file not found ---- SOLVED !

              This is what I did. The hd was unmounted and I have two partitions sda2 and sda3. Kubuntu is installed on sda3 (sda2 is home). so I did :
              sudo mount dev/sda3 media/
              sudo chroot media/root
              in the new prompt
              sudo --configure -a
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                #8
                Re: Help !!! Can no longer boot, GRUB error 15, file not found ---- SOLVED !

                Originally posted by Qqmike
                Great! Sorry, I got pulled away with interruptions here.

                Did you just do something like:

                mkdir /media/recoverK710
                mount /dev/sdax /media/recoverK710
                chroot /media/recoverK710
                then the
                sudo dpkg --configure -a

                (in case someone else needs the details, and it seems there's some problems with these updates we are getting)
                Thanks a lot! You just saved me.
                Using the live cd I had to append sudo in front of all the lines though.
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                  #9
                  Re: Help !!! Can no longer boot, GRUB error 15, file not found ---- SOLVED !

                  Glad that helped.
                  Strangely, I have also found that even with a chroot, sometimes sudo seems necessary.
                  An intellectual says a simple thing in a hard way. An artist says a hard thing in a simple way. Charles Bukowski
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