Restoring Grub Launcher After Windows 10












4















I went ahead and installed windows 10 on my windows 8 and Ubuntu dual boot PC. All went smooth and Windows 10 works perfectly however the computer automatically boots to Windows and the grub launcher is missing. The partitions are still there I just need some help getting Ubuntu back. Thank you in advance!



Edit: I found a way around it. I don't know of this works for everyone but I went in to the control panel and went to update and recovery. Then I went to recovery and booted into uefi. Then I selected boot from device and my Ubuntu partition was there and I could boot into it. Feel free to post other solutions though!










share|improve this question

























  • The solution you're looking for: askubuntu.com/a/655279/228067

    – Hi I'm Frogatto
    Nov 20 '16 at 3:50
















4















I went ahead and installed windows 10 on my windows 8 and Ubuntu dual boot PC. All went smooth and Windows 10 works perfectly however the computer automatically boots to Windows and the grub launcher is missing. The partitions are still there I just need some help getting Ubuntu back. Thank you in advance!



Edit: I found a way around it. I don't know of this works for everyone but I went in to the control panel and went to update and recovery. Then I went to recovery and booted into uefi. Then I selected boot from device and my Ubuntu partition was there and I could boot into it. Feel free to post other solutions though!










share|improve this question

























  • The solution you're looking for: askubuntu.com/a/655279/228067

    – Hi I'm Frogatto
    Nov 20 '16 at 3:50














4












4








4


4






I went ahead and installed windows 10 on my windows 8 and Ubuntu dual boot PC. All went smooth and Windows 10 works perfectly however the computer automatically boots to Windows and the grub launcher is missing. The partitions are still there I just need some help getting Ubuntu back. Thank you in advance!



Edit: I found a way around it. I don't know of this works for everyone but I went in to the control panel and went to update and recovery. Then I went to recovery and booted into uefi. Then I selected boot from device and my Ubuntu partition was there and I could boot into it. Feel free to post other solutions though!










share|improve this question
















I went ahead and installed windows 10 on my windows 8 and Ubuntu dual boot PC. All went smooth and Windows 10 works perfectly however the computer automatically boots to Windows and the grub launcher is missing. The partitions are still there I just need some help getting Ubuntu back. Thank you in advance!



Edit: I found a way around it. I don't know of this works for everyone but I went in to the control panel and went to update and recovery. Then I went to recovery and booted into uefi. Then I selected boot from device and my Ubuntu partition was there and I could boot into it. Feel free to post other solutions though!







dual-boot grub2 windows-10






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Aug 2 '15 at 23:15







Ryan Kraft

















asked Aug 2 '15 at 22:28









Ryan KraftRyan Kraft

30115




30115













  • The solution you're looking for: askubuntu.com/a/655279/228067

    – Hi I'm Frogatto
    Nov 20 '16 at 3:50



















  • The solution you're looking for: askubuntu.com/a/655279/228067

    – Hi I'm Frogatto
    Nov 20 '16 at 3:50

















The solution you're looking for: askubuntu.com/a/655279/228067

– Hi I'm Frogatto
Nov 20 '16 at 3:50





The solution you're looking for: askubuntu.com/a/655279/228067

– Hi I'm Frogatto
Nov 20 '16 at 3:50










3 Answers
3






active

oldest

votes


















5














Boot into Ubuntu using your computer's boot menu (probably something like press ESC at startup. it will tell you) and run this in Terminal:



sudo grub-install /dev/sda; sudo grub-mkconfig -o /boot/grub/grub.cfg





share|improve this answer
























  • I won't work since it has something I think is called fastboot or something like that legacy boot isn't on. I need to know how to get to the uefi settings and change that. Once I do that I can run the terminal code

    – Ryan Kraft
    Aug 2 '15 at 22:56













  • Ah. Disable fastboot and secure boot. That should do it.

    – Daniel
    Aug 3 '15 at 0:54






  • 1





    Did this work? Given the this is the only answer here it's probably best to either mark it as solved or give feedback so we can reply for others or continue to help you, please.

    – cossacksman
    Oct 27 '15 at 22:12



















0














Possible duplicate of Windows 10 upgrade kills grub and boot-repair doesn't help, which includes more details and two solutions.



Parted rescue showed my Linux partition as unallocated, but I could see the missing files and folders with testdisk so I let testdisk wrote the new partition tables. Hopefully Boot-Repair will restore the Grub dual-boot. At least now I can use ext2explore to copy my work files from Linux to my Windows partition.






share|improve this answer


























  • ext2explore isn't stable on windows 10

    – Denja
    Jun 16 '16 at 13:35



















0














As long as Windows 10 has been installed to a new additional hard drive, the following sequence worked for me to reanimate an existing Ubuntu 16.04 install beside a Windows XP.



No Linux partitions seemed to be harmed when Windows 10 was placed on an entirely new harddrive.




  • install Windows 10 with custom options to new harddrive

  • make sure Windows 10 can reboot normally

  • install updates and whatever you need

  • reboot with the Boot Repair CD (or stick) https://sourceforge.net/projects/boot-repair-cd/

  • choose the options to reinstall grub


If all works well you can get back into your old install.
I made sure the correct grub was there.



So I did




  • sudo grub-install /dev/sda

  • sudo update-grub


Reboot and you get grub with options for Ubuntu or Windows 10.



Windows XP is now accessible through the Windows 10 launcher so it is chained.
But now tripple boot to Ubuntu, Windows 10 and XP is available.






share|improve this answer























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    3 Answers
    3






    active

    oldest

    votes








    3 Answers
    3






    active

    oldest

    votes









    active

    oldest

    votes






    active

    oldest

    votes









    5














    Boot into Ubuntu using your computer's boot menu (probably something like press ESC at startup. it will tell you) and run this in Terminal:



    sudo grub-install /dev/sda; sudo grub-mkconfig -o /boot/grub/grub.cfg





    share|improve this answer
























    • I won't work since it has something I think is called fastboot or something like that legacy boot isn't on. I need to know how to get to the uefi settings and change that. Once I do that I can run the terminal code

      – Ryan Kraft
      Aug 2 '15 at 22:56













    • Ah. Disable fastboot and secure boot. That should do it.

      – Daniel
      Aug 3 '15 at 0:54






    • 1





      Did this work? Given the this is the only answer here it's probably best to either mark it as solved or give feedback so we can reply for others or continue to help you, please.

      – cossacksman
      Oct 27 '15 at 22:12
















    5














    Boot into Ubuntu using your computer's boot menu (probably something like press ESC at startup. it will tell you) and run this in Terminal:



    sudo grub-install /dev/sda; sudo grub-mkconfig -o /boot/grub/grub.cfg





    share|improve this answer
























    • I won't work since it has something I think is called fastboot or something like that legacy boot isn't on. I need to know how to get to the uefi settings and change that. Once I do that I can run the terminal code

      – Ryan Kraft
      Aug 2 '15 at 22:56













    • Ah. Disable fastboot and secure boot. That should do it.

      – Daniel
      Aug 3 '15 at 0:54






    • 1





      Did this work? Given the this is the only answer here it's probably best to either mark it as solved or give feedback so we can reply for others or continue to help you, please.

      – cossacksman
      Oct 27 '15 at 22:12














    5












    5








    5







    Boot into Ubuntu using your computer's boot menu (probably something like press ESC at startup. it will tell you) and run this in Terminal:



    sudo grub-install /dev/sda; sudo grub-mkconfig -o /boot/grub/grub.cfg





    share|improve this answer













    Boot into Ubuntu using your computer's boot menu (probably something like press ESC at startup. it will tell you) and run this in Terminal:



    sudo grub-install /dev/sda; sudo grub-mkconfig -o /boot/grub/grub.cfg






    share|improve this answer












    share|improve this answer



    share|improve this answer










    answered Aug 2 '15 at 22:46









    DanielDaniel

    2,69011640




    2,69011640













    • I won't work since it has something I think is called fastboot or something like that legacy boot isn't on. I need to know how to get to the uefi settings and change that. Once I do that I can run the terminal code

      – Ryan Kraft
      Aug 2 '15 at 22:56













    • Ah. Disable fastboot and secure boot. That should do it.

      – Daniel
      Aug 3 '15 at 0:54






    • 1





      Did this work? Given the this is the only answer here it's probably best to either mark it as solved or give feedback so we can reply for others or continue to help you, please.

      – cossacksman
      Oct 27 '15 at 22:12



















    • I won't work since it has something I think is called fastboot or something like that legacy boot isn't on. I need to know how to get to the uefi settings and change that. Once I do that I can run the terminal code

      – Ryan Kraft
      Aug 2 '15 at 22:56













    • Ah. Disable fastboot and secure boot. That should do it.

      – Daniel
      Aug 3 '15 at 0:54






    • 1





      Did this work? Given the this is the only answer here it's probably best to either mark it as solved or give feedback so we can reply for others or continue to help you, please.

      – cossacksman
      Oct 27 '15 at 22:12

















    I won't work since it has something I think is called fastboot or something like that legacy boot isn't on. I need to know how to get to the uefi settings and change that. Once I do that I can run the terminal code

    – Ryan Kraft
    Aug 2 '15 at 22:56







    I won't work since it has something I think is called fastboot or something like that legacy boot isn't on. I need to know how to get to the uefi settings and change that. Once I do that I can run the terminal code

    – Ryan Kraft
    Aug 2 '15 at 22:56















    Ah. Disable fastboot and secure boot. That should do it.

    – Daniel
    Aug 3 '15 at 0:54





    Ah. Disable fastboot and secure boot. That should do it.

    – Daniel
    Aug 3 '15 at 0:54




    1




    1





    Did this work? Given the this is the only answer here it's probably best to either mark it as solved or give feedback so we can reply for others or continue to help you, please.

    – cossacksman
    Oct 27 '15 at 22:12





    Did this work? Given the this is the only answer here it's probably best to either mark it as solved or give feedback so we can reply for others or continue to help you, please.

    – cossacksman
    Oct 27 '15 at 22:12













    0














    Possible duplicate of Windows 10 upgrade kills grub and boot-repair doesn't help, which includes more details and two solutions.



    Parted rescue showed my Linux partition as unallocated, but I could see the missing files and folders with testdisk so I let testdisk wrote the new partition tables. Hopefully Boot-Repair will restore the Grub dual-boot. At least now I can use ext2explore to copy my work files from Linux to my Windows partition.






    share|improve this answer


























    • ext2explore isn't stable on windows 10

      – Denja
      Jun 16 '16 at 13:35
















    0














    Possible duplicate of Windows 10 upgrade kills grub and boot-repair doesn't help, which includes more details and two solutions.



    Parted rescue showed my Linux partition as unallocated, but I could see the missing files and folders with testdisk so I let testdisk wrote the new partition tables. Hopefully Boot-Repair will restore the Grub dual-boot. At least now I can use ext2explore to copy my work files from Linux to my Windows partition.






    share|improve this answer


























    • ext2explore isn't stable on windows 10

      – Denja
      Jun 16 '16 at 13:35














    0












    0








    0







    Possible duplicate of Windows 10 upgrade kills grub and boot-repair doesn't help, which includes more details and two solutions.



    Parted rescue showed my Linux partition as unallocated, but I could see the missing files and folders with testdisk so I let testdisk wrote the new partition tables. Hopefully Boot-Repair will restore the Grub dual-boot. At least now I can use ext2explore to copy my work files from Linux to my Windows partition.






    share|improve this answer















    Possible duplicate of Windows 10 upgrade kills grub and boot-repair doesn't help, which includes more details and two solutions.



    Parted rescue showed my Linux partition as unallocated, but I could see the missing files and folders with testdisk so I let testdisk wrote the new partition tables. Hopefully Boot-Repair will restore the Grub dual-boot. At least now I can use ext2explore to copy my work files from Linux to my Windows partition.







    share|improve this answer














    share|improve this answer



    share|improve this answer








    edited Apr 13 '17 at 12:24









    Community

    1




    1










    answered Feb 17 '16 at 23:01









    Michael McGinnisMichael McGinnis

    1626




    1626













    • ext2explore isn't stable on windows 10

      – Denja
      Jun 16 '16 at 13:35



















    • ext2explore isn't stable on windows 10

      – Denja
      Jun 16 '16 at 13:35

















    ext2explore isn't stable on windows 10

    – Denja
    Jun 16 '16 at 13:35





    ext2explore isn't stable on windows 10

    – Denja
    Jun 16 '16 at 13:35











    0














    As long as Windows 10 has been installed to a new additional hard drive, the following sequence worked for me to reanimate an existing Ubuntu 16.04 install beside a Windows XP.



    No Linux partitions seemed to be harmed when Windows 10 was placed on an entirely new harddrive.




    • install Windows 10 with custom options to new harddrive

    • make sure Windows 10 can reboot normally

    • install updates and whatever you need

    • reboot with the Boot Repair CD (or stick) https://sourceforge.net/projects/boot-repair-cd/

    • choose the options to reinstall grub


    If all works well you can get back into your old install.
    I made sure the correct grub was there.



    So I did




    • sudo grub-install /dev/sda

    • sudo update-grub


    Reboot and you get grub with options for Ubuntu or Windows 10.



    Windows XP is now accessible through the Windows 10 launcher so it is chained.
    But now tripple boot to Ubuntu, Windows 10 and XP is available.






    share|improve this answer




























      0














      As long as Windows 10 has been installed to a new additional hard drive, the following sequence worked for me to reanimate an existing Ubuntu 16.04 install beside a Windows XP.



      No Linux partitions seemed to be harmed when Windows 10 was placed on an entirely new harddrive.




      • install Windows 10 with custom options to new harddrive

      • make sure Windows 10 can reboot normally

      • install updates and whatever you need

      • reboot with the Boot Repair CD (or stick) https://sourceforge.net/projects/boot-repair-cd/

      • choose the options to reinstall grub


      If all works well you can get back into your old install.
      I made sure the correct grub was there.



      So I did




      • sudo grub-install /dev/sda

      • sudo update-grub


      Reboot and you get grub with options for Ubuntu or Windows 10.



      Windows XP is now accessible through the Windows 10 launcher so it is chained.
      But now tripple boot to Ubuntu, Windows 10 and XP is available.






      share|improve this answer


























        0












        0








        0







        As long as Windows 10 has been installed to a new additional hard drive, the following sequence worked for me to reanimate an existing Ubuntu 16.04 install beside a Windows XP.



        No Linux partitions seemed to be harmed when Windows 10 was placed on an entirely new harddrive.




        • install Windows 10 with custom options to new harddrive

        • make sure Windows 10 can reboot normally

        • install updates and whatever you need

        • reboot with the Boot Repair CD (or stick) https://sourceforge.net/projects/boot-repair-cd/

        • choose the options to reinstall grub


        If all works well you can get back into your old install.
        I made sure the correct grub was there.



        So I did




        • sudo grub-install /dev/sda

        • sudo update-grub


        Reboot and you get grub with options for Ubuntu or Windows 10.



        Windows XP is now accessible through the Windows 10 launcher so it is chained.
        But now tripple boot to Ubuntu, Windows 10 and XP is available.






        share|improve this answer













        As long as Windows 10 has been installed to a new additional hard drive, the following sequence worked for me to reanimate an existing Ubuntu 16.04 install beside a Windows XP.



        No Linux partitions seemed to be harmed when Windows 10 was placed on an entirely new harddrive.




        • install Windows 10 with custom options to new harddrive

        • make sure Windows 10 can reboot normally

        • install updates and whatever you need

        • reboot with the Boot Repair CD (or stick) https://sourceforge.net/projects/boot-repair-cd/

        • choose the options to reinstall grub


        If all works well you can get back into your old install.
        I made sure the correct grub was there.



        So I did




        • sudo grub-install /dev/sda

        • sudo update-grub


        Reboot and you get grub with options for Ubuntu or Windows 10.



        Windows XP is now accessible through the Windows 10 launcher so it is chained.
        But now tripple boot to Ubuntu, Windows 10 and XP is available.







        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered Jan 26 at 14:26









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