After update, get “error: file not found.” followed by “grub rescue> _”












22














I just installed quite a lot of 12.10 updates, was prompted to reboot, and then found that I couldn't boot.










share|improve this question
























  • Since I'm not yet allowed to add comments since my low reputation I add the comment this way... I used 8128s Answer wit Boot-repair but I had to add this line before the apt-get update sudo sed 's/trusty/saucy/g' -i /etc/apt/sources.list.d/yannubuntu-boot-repair-trusty.list like you see in the link he added to the answer
    – Dominik
    Jul 15 '14 at 17:53
















22














I just installed quite a lot of 12.10 updates, was prompted to reboot, and then found that I couldn't boot.










share|improve this question
























  • Since I'm not yet allowed to add comments since my low reputation I add the comment this way... I used 8128s Answer wit Boot-repair but I had to add this line before the apt-get update sudo sed 's/trusty/saucy/g' -i /etc/apt/sources.list.d/yannubuntu-boot-repair-trusty.list like you see in the link he added to the answer
    – Dominik
    Jul 15 '14 at 17:53














22












22








22


13





I just installed quite a lot of 12.10 updates, was prompted to reboot, and then found that I couldn't boot.










share|improve this question















I just installed quite a lot of 12.10 updates, was prompted to reboot, and then found that I couldn't boot.







grub2 grubrescue






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Nov 26 '13 at 14:09









Braiam

51.3k20136219




51.3k20136219










asked Sep 14 '12 at 20:20









8128

24.8k21100137




24.8k21100137












  • Since I'm not yet allowed to add comments since my low reputation I add the comment this way... I used 8128s Answer wit Boot-repair but I had to add this line before the apt-get update sudo sed 's/trusty/saucy/g' -i /etc/apt/sources.list.d/yannubuntu-boot-repair-trusty.list like you see in the link he added to the answer
    – Dominik
    Jul 15 '14 at 17:53


















  • Since I'm not yet allowed to add comments since my low reputation I add the comment this way... I used 8128s Answer wit Boot-repair but I had to add this line before the apt-get update sudo sed 's/trusty/saucy/g' -i /etc/apt/sources.list.d/yannubuntu-boot-repair-trusty.list like you see in the link he added to the answer
    – Dominik
    Jul 15 '14 at 17:53
















Since I'm not yet allowed to add comments since my low reputation I add the comment this way... I used 8128s Answer wit Boot-repair but I had to add this line before the apt-get update sudo sed 's/trusty/saucy/g' -i /etc/apt/sources.list.d/yannubuntu-boot-repair-trusty.list like you see in the link he added to the answer
– Dominik
Jul 15 '14 at 17:53




Since I'm not yet allowed to add comments since my low reputation I add the comment this way... I used 8128s Answer wit Boot-repair but I had to add this line before the apt-get update sudo sed 's/trusty/saucy/g' -i /etc/apt/sources.list.d/yannubuntu-boot-repair-trusty.list like you see in the link he added to the answer
– Dominik
Jul 15 '14 at 17:53










6 Answers
6






active

oldest

votes


















27














Use Boot Repair to fix your bootloader.




  1. Boot Ubuntu from a LiveCD or Live USB

  2. Connect to the internet


  3. Open a terminal, and add the Boot Repair PPA



    sudo add-apt-repository ppa:yannubuntu/boot-repair && sudo apt-get update




  4. Install Boot Repair



    sudo apt-get install -y boot-repair && boot-repair



  5. Launch and use, see https://help.ubuntu.com/community/Boot-Repair#Using_Boot-Repair for more details







share|improve this answer





















  • I had to run 3. as root (sudo su) instead of just sudoing
    – David Brossard
    Mar 10 '13 at 20:03






  • 1




    THANK YOU!! Saved my server after a power outage. Time to buy a UPS!
    – Domenic D.
    Jun 29 '13 at 16:20










  • used with Kubuntu 13.10 and worked. Thanks.
    – David
    Oct 22 '13 at 13:37



















9















  1. Type ls to get a list of partitions

  2. Enter set prefix=(hd0,msdos6)/boot/grub [you will almost certainly have to enter a different drive/partition in the brackets, you may just have to try all of those listed by ls until you find the one that works.

  3. Type insmod normal

  4. Type normal and you will get your boot prompt back!


See also: The helpful place where I found this. I doubt this will work for everyone encountering this error, but I've put it here in the hope it helps someone.



Once you've loaded Ubuntu, run sudo grub-install /dev/sda and sudo update-grub as soon as possible. This means you won't have to do that tedious process above every time you boot your machine.






share|improve this answer

















  • 9




    when I run insmod normal it again says file not found
    – tovmeod
    Oct 19 '12 at 14:18






  • 1




    You can also use the command ls (hd0,msdos1)/ to check the contents of the partition, which would be faster if you have many partitions.
    – Jonathan
    Oct 23 '14 at 15:07










  • This worked for me, except I have a separate boot partition, so the format was set prefix=(hd0)/grub, since you need to reference the grub directory relative to the partition on the drive, not relative to its mount point during normal operation.
    – Nick Coons
    Dec 18 '15 at 5:27



















4














I had the exact same issue - normal.mod not found, ls of the boot partition would produce a blank line. After a week of troubleshooting to get the system to boot properly here are the steps I went through.




  1. Got a copy of SuperGrub and created a boot cd. I could now get logged back on to my system. Got a copy of BootRepair and had not luck getting the system to boot directly from the hard disk and had to keep using the CD. BootRepair did act a little strange since the Grub location and Grub options were grayed out. It did report a successful install.


  2. Hard drive was originally set up:
    sda1 ext4 root with boot
    sda2 linux swap
    sda3 ext4 used as a spare drive (holds VMs for Virtual box).


  3. Used a copy of Ubuntu 10.10 live cd. Ran gparted Install gparted to shrink the sda1 partition and created sda4 ext4 boot partition at the front of the drive and set mount point to /boot after deleting the boot directory from /. BootRepair now has options available. Installed on boot partition and can now boot from hard drive.


  4. Being curious I decided to investigate further. The boot repair log had a peculiar entry for my sda1 ext4 partition, it was reported as DOS and had a short 8 character UUID instead of the UUID reported by blkid. grub-probe reported the file system as vfat.


  5. After many other trials I cleared the first 440 bytes of sda1 partition record. Grub-probe now reports file system as ext2. Ran update-grub and the correct UUID for the sda1 partition appears.



The issue seems to be two-fold:

1. It seem to affect installations where the partition record has references to msdos.

2. grub-probe does not try to resolve mismatch issues between fs type and contents in the partition record.






share|improve this answer































    1














    Another thing to check is the boot order in your BIOS. I apparently had installed grub installed on all my disks (perhaps after following 8128's answer), but this broke when updating my Linux distro (Debian). Changing the first boot disk as my Linux OS fixed it.






    share|improve this answer





























      0














      I ran across this error upgrading to Kubuntu 13.10. I had a memory stick plugged into the USB port during the dist-upgrade. After rebooting I went straight to Grub Rescue. Unplugging the USB drive and rebooting fixed the problem.






      share|improve this answer





























        -1














        In my case, I had downgraded to GRUBv1 and after the upgrade to 12.10 grub2 couldn't find his files (*.mod, etc...), although the grub.cfg was there.



        I found a more comprehensive manual on grub rescue:
        https://help.ubuntu.com/community/Grub2/Troubleshooting#grub_rescue.3E-1



        See also the command list at the begining of the page.
        Thx flute flute.






        share|improve this answer




















          protected by Community Dec 18 at 8:32



          Thank you for your interest in this question.
          Because it has attracted low-quality or spam answers that had to be removed, posting an answer now requires 10 reputation on this site (the association bonus does not count).



          Would you like to answer one of these unanswered questions instead?














          6 Answers
          6






          active

          oldest

          votes








          6 Answers
          6






          active

          oldest

          votes









          active

          oldest

          votes






          active

          oldest

          votes









          27














          Use Boot Repair to fix your bootloader.




          1. Boot Ubuntu from a LiveCD or Live USB

          2. Connect to the internet


          3. Open a terminal, and add the Boot Repair PPA



            sudo add-apt-repository ppa:yannubuntu/boot-repair && sudo apt-get update




          4. Install Boot Repair



            sudo apt-get install -y boot-repair && boot-repair



          5. Launch and use, see https://help.ubuntu.com/community/Boot-Repair#Using_Boot-Repair for more details







          share|improve this answer





















          • I had to run 3. as root (sudo su) instead of just sudoing
            – David Brossard
            Mar 10 '13 at 20:03






          • 1




            THANK YOU!! Saved my server after a power outage. Time to buy a UPS!
            – Domenic D.
            Jun 29 '13 at 16:20










          • used with Kubuntu 13.10 and worked. Thanks.
            – David
            Oct 22 '13 at 13:37
















          27














          Use Boot Repair to fix your bootloader.




          1. Boot Ubuntu from a LiveCD or Live USB

          2. Connect to the internet


          3. Open a terminal, and add the Boot Repair PPA



            sudo add-apt-repository ppa:yannubuntu/boot-repair && sudo apt-get update




          4. Install Boot Repair



            sudo apt-get install -y boot-repair && boot-repair



          5. Launch and use, see https://help.ubuntu.com/community/Boot-Repair#Using_Boot-Repair for more details







          share|improve this answer





















          • I had to run 3. as root (sudo su) instead of just sudoing
            – David Brossard
            Mar 10 '13 at 20:03






          • 1




            THANK YOU!! Saved my server after a power outage. Time to buy a UPS!
            – Domenic D.
            Jun 29 '13 at 16:20










          • used with Kubuntu 13.10 and worked. Thanks.
            – David
            Oct 22 '13 at 13:37














          27












          27








          27






          Use Boot Repair to fix your bootloader.




          1. Boot Ubuntu from a LiveCD or Live USB

          2. Connect to the internet


          3. Open a terminal, and add the Boot Repair PPA



            sudo add-apt-repository ppa:yannubuntu/boot-repair && sudo apt-get update




          4. Install Boot Repair



            sudo apt-get install -y boot-repair && boot-repair



          5. Launch and use, see https://help.ubuntu.com/community/Boot-Repair#Using_Boot-Repair for more details







          share|improve this answer












          Use Boot Repair to fix your bootloader.




          1. Boot Ubuntu from a LiveCD or Live USB

          2. Connect to the internet


          3. Open a terminal, and add the Boot Repair PPA



            sudo add-apt-repository ppa:yannubuntu/boot-repair && sudo apt-get update




          4. Install Boot Repair



            sudo apt-get install -y boot-repair && boot-repair



          5. Launch and use, see https://help.ubuntu.com/community/Boot-Repair#Using_Boot-Repair for more details








          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered Oct 19 '12 at 22:09









          8128

          24.8k21100137




          24.8k21100137












          • I had to run 3. as root (sudo su) instead of just sudoing
            – David Brossard
            Mar 10 '13 at 20:03






          • 1




            THANK YOU!! Saved my server after a power outage. Time to buy a UPS!
            – Domenic D.
            Jun 29 '13 at 16:20










          • used with Kubuntu 13.10 and worked. Thanks.
            – David
            Oct 22 '13 at 13:37


















          • I had to run 3. as root (sudo su) instead of just sudoing
            – David Brossard
            Mar 10 '13 at 20:03






          • 1




            THANK YOU!! Saved my server after a power outage. Time to buy a UPS!
            – Domenic D.
            Jun 29 '13 at 16:20










          • used with Kubuntu 13.10 and worked. Thanks.
            – David
            Oct 22 '13 at 13:37
















          I had to run 3. as root (sudo su) instead of just sudoing
          – David Brossard
          Mar 10 '13 at 20:03




          I had to run 3. as root (sudo su) instead of just sudoing
          – David Brossard
          Mar 10 '13 at 20:03




          1




          1




          THANK YOU!! Saved my server after a power outage. Time to buy a UPS!
          – Domenic D.
          Jun 29 '13 at 16:20




          THANK YOU!! Saved my server after a power outage. Time to buy a UPS!
          – Domenic D.
          Jun 29 '13 at 16:20












          used with Kubuntu 13.10 and worked. Thanks.
          – David
          Oct 22 '13 at 13:37




          used with Kubuntu 13.10 and worked. Thanks.
          – David
          Oct 22 '13 at 13:37













          9















          1. Type ls to get a list of partitions

          2. Enter set prefix=(hd0,msdos6)/boot/grub [you will almost certainly have to enter a different drive/partition in the brackets, you may just have to try all of those listed by ls until you find the one that works.

          3. Type insmod normal

          4. Type normal and you will get your boot prompt back!


          See also: The helpful place where I found this. I doubt this will work for everyone encountering this error, but I've put it here in the hope it helps someone.



          Once you've loaded Ubuntu, run sudo grub-install /dev/sda and sudo update-grub as soon as possible. This means you won't have to do that tedious process above every time you boot your machine.






          share|improve this answer

















          • 9




            when I run insmod normal it again says file not found
            – tovmeod
            Oct 19 '12 at 14:18






          • 1




            You can also use the command ls (hd0,msdos1)/ to check the contents of the partition, which would be faster if you have many partitions.
            – Jonathan
            Oct 23 '14 at 15:07










          • This worked for me, except I have a separate boot partition, so the format was set prefix=(hd0)/grub, since you need to reference the grub directory relative to the partition on the drive, not relative to its mount point during normal operation.
            – Nick Coons
            Dec 18 '15 at 5:27
















          9















          1. Type ls to get a list of partitions

          2. Enter set prefix=(hd0,msdos6)/boot/grub [you will almost certainly have to enter a different drive/partition in the brackets, you may just have to try all of those listed by ls until you find the one that works.

          3. Type insmod normal

          4. Type normal and you will get your boot prompt back!


          See also: The helpful place where I found this. I doubt this will work for everyone encountering this error, but I've put it here in the hope it helps someone.



          Once you've loaded Ubuntu, run sudo grub-install /dev/sda and sudo update-grub as soon as possible. This means you won't have to do that tedious process above every time you boot your machine.






          share|improve this answer

















          • 9




            when I run insmod normal it again says file not found
            – tovmeod
            Oct 19 '12 at 14:18






          • 1




            You can also use the command ls (hd0,msdos1)/ to check the contents of the partition, which would be faster if you have many partitions.
            – Jonathan
            Oct 23 '14 at 15:07










          • This worked for me, except I have a separate boot partition, so the format was set prefix=(hd0)/grub, since you need to reference the grub directory relative to the partition on the drive, not relative to its mount point during normal operation.
            – Nick Coons
            Dec 18 '15 at 5:27














          9












          9








          9







          1. Type ls to get a list of partitions

          2. Enter set prefix=(hd0,msdos6)/boot/grub [you will almost certainly have to enter a different drive/partition in the brackets, you may just have to try all of those listed by ls until you find the one that works.

          3. Type insmod normal

          4. Type normal and you will get your boot prompt back!


          See also: The helpful place where I found this. I doubt this will work for everyone encountering this error, but I've put it here in the hope it helps someone.



          Once you've loaded Ubuntu, run sudo grub-install /dev/sda and sudo update-grub as soon as possible. This means you won't have to do that tedious process above every time you boot your machine.






          share|improve this answer













          1. Type ls to get a list of partitions

          2. Enter set prefix=(hd0,msdos6)/boot/grub [you will almost certainly have to enter a different drive/partition in the brackets, you may just have to try all of those listed by ls until you find the one that works.

          3. Type insmod normal

          4. Type normal and you will get your boot prompt back!


          See also: The helpful place where I found this. I doubt this will work for everyone encountering this error, but I've put it here in the hope it helps someone.



          Once you've loaded Ubuntu, run sudo grub-install /dev/sda and sudo update-grub as soon as possible. This means you won't have to do that tedious process above every time you boot your machine.







          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered Sep 14 '12 at 20:20









          8128

          24.8k21100137




          24.8k21100137








          • 9




            when I run insmod normal it again says file not found
            – tovmeod
            Oct 19 '12 at 14:18






          • 1




            You can also use the command ls (hd0,msdos1)/ to check the contents of the partition, which would be faster if you have many partitions.
            – Jonathan
            Oct 23 '14 at 15:07










          • This worked for me, except I have a separate boot partition, so the format was set prefix=(hd0)/grub, since you need to reference the grub directory relative to the partition on the drive, not relative to its mount point during normal operation.
            – Nick Coons
            Dec 18 '15 at 5:27














          • 9




            when I run insmod normal it again says file not found
            – tovmeod
            Oct 19 '12 at 14:18






          • 1




            You can also use the command ls (hd0,msdos1)/ to check the contents of the partition, which would be faster if you have many partitions.
            – Jonathan
            Oct 23 '14 at 15:07










          • This worked for me, except I have a separate boot partition, so the format was set prefix=(hd0)/grub, since you need to reference the grub directory relative to the partition on the drive, not relative to its mount point during normal operation.
            – Nick Coons
            Dec 18 '15 at 5:27








          9




          9




          when I run insmod normal it again says file not found
          – tovmeod
          Oct 19 '12 at 14:18




          when I run insmod normal it again says file not found
          – tovmeod
          Oct 19 '12 at 14:18




          1




          1




          You can also use the command ls (hd0,msdos1)/ to check the contents of the partition, which would be faster if you have many partitions.
          – Jonathan
          Oct 23 '14 at 15:07




          You can also use the command ls (hd0,msdos1)/ to check the contents of the partition, which would be faster if you have many partitions.
          – Jonathan
          Oct 23 '14 at 15:07












          This worked for me, except I have a separate boot partition, so the format was set prefix=(hd0)/grub, since you need to reference the grub directory relative to the partition on the drive, not relative to its mount point during normal operation.
          – Nick Coons
          Dec 18 '15 at 5:27




          This worked for me, except I have a separate boot partition, so the format was set prefix=(hd0)/grub, since you need to reference the grub directory relative to the partition on the drive, not relative to its mount point during normal operation.
          – Nick Coons
          Dec 18 '15 at 5:27











          4














          I had the exact same issue - normal.mod not found, ls of the boot partition would produce a blank line. After a week of troubleshooting to get the system to boot properly here are the steps I went through.




          1. Got a copy of SuperGrub and created a boot cd. I could now get logged back on to my system. Got a copy of BootRepair and had not luck getting the system to boot directly from the hard disk and had to keep using the CD. BootRepair did act a little strange since the Grub location and Grub options were grayed out. It did report a successful install.


          2. Hard drive was originally set up:
            sda1 ext4 root with boot
            sda2 linux swap
            sda3 ext4 used as a spare drive (holds VMs for Virtual box).


          3. Used a copy of Ubuntu 10.10 live cd. Ran gparted Install gparted to shrink the sda1 partition and created sda4 ext4 boot partition at the front of the drive and set mount point to /boot after deleting the boot directory from /. BootRepair now has options available. Installed on boot partition and can now boot from hard drive.


          4. Being curious I decided to investigate further. The boot repair log had a peculiar entry for my sda1 ext4 partition, it was reported as DOS and had a short 8 character UUID instead of the UUID reported by blkid. grub-probe reported the file system as vfat.


          5. After many other trials I cleared the first 440 bytes of sda1 partition record. Grub-probe now reports file system as ext2. Ran update-grub and the correct UUID for the sda1 partition appears.



          The issue seems to be two-fold:

          1. It seem to affect installations where the partition record has references to msdos.

          2. grub-probe does not try to resolve mismatch issues between fs type and contents in the partition record.






          share|improve this answer




























            4














            I had the exact same issue - normal.mod not found, ls of the boot partition would produce a blank line. After a week of troubleshooting to get the system to boot properly here are the steps I went through.




            1. Got a copy of SuperGrub and created a boot cd. I could now get logged back on to my system. Got a copy of BootRepair and had not luck getting the system to boot directly from the hard disk and had to keep using the CD. BootRepair did act a little strange since the Grub location and Grub options were grayed out. It did report a successful install.


            2. Hard drive was originally set up:
              sda1 ext4 root with boot
              sda2 linux swap
              sda3 ext4 used as a spare drive (holds VMs for Virtual box).


            3. Used a copy of Ubuntu 10.10 live cd. Ran gparted Install gparted to shrink the sda1 partition and created sda4 ext4 boot partition at the front of the drive and set mount point to /boot after deleting the boot directory from /. BootRepair now has options available. Installed on boot partition and can now boot from hard drive.


            4. Being curious I decided to investigate further. The boot repair log had a peculiar entry for my sda1 ext4 partition, it was reported as DOS and had a short 8 character UUID instead of the UUID reported by blkid. grub-probe reported the file system as vfat.


            5. After many other trials I cleared the first 440 bytes of sda1 partition record. Grub-probe now reports file system as ext2. Ran update-grub and the correct UUID for the sda1 partition appears.



            The issue seems to be two-fold:

            1. It seem to affect installations where the partition record has references to msdos.

            2. grub-probe does not try to resolve mismatch issues between fs type and contents in the partition record.






            share|improve this answer


























              4












              4








              4






              I had the exact same issue - normal.mod not found, ls of the boot partition would produce a blank line. After a week of troubleshooting to get the system to boot properly here are the steps I went through.




              1. Got a copy of SuperGrub and created a boot cd. I could now get logged back on to my system. Got a copy of BootRepair and had not luck getting the system to boot directly from the hard disk and had to keep using the CD. BootRepair did act a little strange since the Grub location and Grub options were grayed out. It did report a successful install.


              2. Hard drive was originally set up:
                sda1 ext4 root with boot
                sda2 linux swap
                sda3 ext4 used as a spare drive (holds VMs for Virtual box).


              3. Used a copy of Ubuntu 10.10 live cd. Ran gparted Install gparted to shrink the sda1 partition and created sda4 ext4 boot partition at the front of the drive and set mount point to /boot after deleting the boot directory from /. BootRepair now has options available. Installed on boot partition and can now boot from hard drive.


              4. Being curious I decided to investigate further. The boot repair log had a peculiar entry for my sda1 ext4 partition, it was reported as DOS and had a short 8 character UUID instead of the UUID reported by blkid. grub-probe reported the file system as vfat.


              5. After many other trials I cleared the first 440 bytes of sda1 partition record. Grub-probe now reports file system as ext2. Ran update-grub and the correct UUID for the sda1 partition appears.



              The issue seems to be two-fold:

              1. It seem to affect installations where the partition record has references to msdos.

              2. grub-probe does not try to resolve mismatch issues between fs type and contents in the partition record.






              share|improve this answer














              I had the exact same issue - normal.mod not found, ls of the boot partition would produce a blank line. After a week of troubleshooting to get the system to boot properly here are the steps I went through.




              1. Got a copy of SuperGrub and created a boot cd. I could now get logged back on to my system. Got a copy of BootRepair and had not luck getting the system to boot directly from the hard disk and had to keep using the CD. BootRepair did act a little strange since the Grub location and Grub options were grayed out. It did report a successful install.


              2. Hard drive was originally set up:
                sda1 ext4 root with boot
                sda2 linux swap
                sda3 ext4 used as a spare drive (holds VMs for Virtual box).


              3. Used a copy of Ubuntu 10.10 live cd. Ran gparted Install gparted to shrink the sda1 partition and created sda4 ext4 boot partition at the front of the drive and set mount point to /boot after deleting the boot directory from /. BootRepair now has options available. Installed on boot partition and can now boot from hard drive.


              4. Being curious I decided to investigate further. The boot repair log had a peculiar entry for my sda1 ext4 partition, it was reported as DOS and had a short 8 character UUID instead of the UUID reported by blkid. grub-probe reported the file system as vfat.


              5. After many other trials I cleared the first 440 bytes of sda1 partition record. Grub-probe now reports file system as ext2. Ran update-grub and the correct UUID for the sda1 partition appears.



              The issue seems to be two-fold:

              1. It seem to affect installations where the partition record has references to msdos.

              2. grub-probe does not try to resolve mismatch issues between fs type and contents in the partition record.







              share|improve this answer














              share|improve this answer



              share|improve this answer








              edited Mar 11 '17 at 19:03









              Community

              1




              1










              answered Nov 13 '12 at 15:33









              Mark Milakovic

              411




              411























                  1














                  Another thing to check is the boot order in your BIOS. I apparently had installed grub installed on all my disks (perhaps after following 8128's answer), but this broke when updating my Linux distro (Debian). Changing the first boot disk as my Linux OS fixed it.






                  share|improve this answer


























                    1














                    Another thing to check is the boot order in your BIOS. I apparently had installed grub installed on all my disks (perhaps after following 8128's answer), but this broke when updating my Linux distro (Debian). Changing the first boot disk as my Linux OS fixed it.






                    share|improve this answer
























                      1












                      1








                      1






                      Another thing to check is the boot order in your BIOS. I apparently had installed grub installed on all my disks (perhaps after following 8128's answer), but this broke when updating my Linux distro (Debian). Changing the first boot disk as my Linux OS fixed it.






                      share|improve this answer












                      Another thing to check is the boot order in your BIOS. I apparently had installed grub installed on all my disks (perhaps after following 8128's answer), but this broke when updating my Linux distro (Debian). Changing the first boot disk as my Linux OS fixed it.







                      share|improve this answer












                      share|improve this answer



                      share|improve this answer










                      answered Oct 23 '14 at 15:05









                      Jonathan

                      1216




                      1216























                          0














                          I ran across this error upgrading to Kubuntu 13.10. I had a memory stick plugged into the USB port during the dist-upgrade. After rebooting I went straight to Grub Rescue. Unplugging the USB drive and rebooting fixed the problem.






                          share|improve this answer


























                            0














                            I ran across this error upgrading to Kubuntu 13.10. I had a memory stick plugged into the USB port during the dist-upgrade. After rebooting I went straight to Grub Rescue. Unplugging the USB drive and rebooting fixed the problem.






                            share|improve this answer
























                              0












                              0








                              0






                              I ran across this error upgrading to Kubuntu 13.10. I had a memory stick plugged into the USB port during the dist-upgrade. After rebooting I went straight to Grub Rescue. Unplugging the USB drive and rebooting fixed the problem.






                              share|improve this answer












                              I ran across this error upgrading to Kubuntu 13.10. I had a memory stick plugged into the USB port during the dist-upgrade. After rebooting I went straight to Grub Rescue. Unplugging the USB drive and rebooting fixed the problem.







                              share|improve this answer












                              share|improve this answer



                              share|improve this answer










                              answered Oct 19 '13 at 5:38









                              David Walker

                              1




                              1























                                  -1














                                  In my case, I had downgraded to GRUBv1 and after the upgrade to 12.10 grub2 couldn't find his files (*.mod, etc...), although the grub.cfg was there.



                                  I found a more comprehensive manual on grub rescue:
                                  https://help.ubuntu.com/community/Grub2/Troubleshooting#grub_rescue.3E-1



                                  See also the command list at the begining of the page.
                                  Thx flute flute.






                                  share|improve this answer


























                                    -1














                                    In my case, I had downgraded to GRUBv1 and after the upgrade to 12.10 grub2 couldn't find his files (*.mod, etc...), although the grub.cfg was there.



                                    I found a more comprehensive manual on grub rescue:
                                    https://help.ubuntu.com/community/Grub2/Troubleshooting#grub_rescue.3E-1



                                    See also the command list at the begining of the page.
                                    Thx flute flute.






                                    share|improve this answer
























                                      -1












                                      -1








                                      -1






                                      In my case, I had downgraded to GRUBv1 and after the upgrade to 12.10 grub2 couldn't find his files (*.mod, etc...), although the grub.cfg was there.



                                      I found a more comprehensive manual on grub rescue:
                                      https://help.ubuntu.com/community/Grub2/Troubleshooting#grub_rescue.3E-1



                                      See also the command list at the begining of the page.
                                      Thx flute flute.






                                      share|improve this answer












                                      In my case, I had downgraded to GRUBv1 and after the upgrade to 12.10 grub2 couldn't find his files (*.mod, etc...), although the grub.cfg was there.



                                      I found a more comprehensive manual on grub rescue:
                                      https://help.ubuntu.com/community/Grub2/Troubleshooting#grub_rescue.3E-1



                                      See also the command list at the begining of the page.
                                      Thx flute flute.







                                      share|improve this answer












                                      share|improve this answer



                                      share|improve this answer










                                      answered Nov 17 '12 at 14:16









                                      iceburn_pt

                                      1




                                      1

















                                          protected by Community Dec 18 at 8:32



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