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I did something bad, and now I can't boot (GRUB Error 17)

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    I did something bad, and now I can't boot (GRUB Error 17)

    I thought my Kubuntu partition was too big, so I reformatted it. I now know that this was a bad idea. I get a GRUB error 17, and I don't really understand the solutions.

    So, if someone could explain it, in layman's terms, I would really appreciate it.

    #2
    Re: I did something bad, and now I can't boot (GRUB Error 17)

    HOW TO: GRUB Methods - Toolkit

    Search on Error 17.
    Windows no longer obstructs my view.
    Using Kubuntu Linux since March 23, 2007.
    "It is a capital mistake to theorize before one has data." - Sherlock Holmes

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      #3
      Re: I did something bad, and now I can't boot (GRUB Error 17)

      Originally posted by Snowhog
      HOW TO: GRUB Methods - Toolkit

      Search on Error 17.
      Yes, but I know what the problem is. What I don't understand is how to fix it.

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        #4
        Re: I did something bad, and now I can't boot (GRUB Error 17)

        Reformatting a partition(s) causes the UUID for the partition(s) to be updated. Open a console and type:
        Code:
        sudo blkid
        Compare the results to your /boot/grub/menu.lst file root= entries and correct as required. You will also need to correct the UUID entries in your fstab file - assuming you are using UUID in that file.
        Windows no longer obstructs my view.
        Using Kubuntu Linux since March 23, 2007.
        "It is a capital mistake to theorize before one has data." - Sherlock Holmes

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          #5
          Re: I did something bad, and now I can't boot (GRUB Error 17)

          Yes, but I don't understand how to do half of these things. How do I open a console when I can't get further than the BIOS start-up image? I assume I have to boot from a CD?
          And I just change the files to whatever sudo blkid outputs?

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            #6
            Re: I did something bad, and now I can't boot (GRUB Error 17)

            I don't have /boot/grub/menu.lst.

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              #7
              Re: I did something bad, and now I can't boot (GRUB Error 17)

              I don't have /boot/grub/menu.lst.
              You don't? Are you sure? Where and how did you look?

              With a live cd:
              Boot live kubuntu cd, open system settings->advanced->harddrives&files (or similar, mine is german)
              right click on the partition holding you kubuntu install.
              Choose "edit" and give it a mount point like:
              /media/kubuntu and activate that partition.
              Now open konqueror and navigate to /media/kubuntu (or whatever name you gave it) and open up /boot/grub/menu.lst and /etc/fstab in kate as root. Keep it open.

              Now open a terminal and do:
              Code:
              sudo blkid
              make the necessary uuid changes in both files and save them.
              Reboot and enjoy

              HP Pavilion dv6 core i7 (Main)
              4 GB Ram
              Kubuntu 18.10

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