Couldn't Boot to both Ubuntu 18.04.1 and Windows 7












0














Here is the case,



Previously my laptop (only 1 physical hardrive, with 2 partition, ie: C: and D:) were using Windows 7 Premium (64-bit), then I plan to make in dual boot, so it will eventually become Windows 7 Premium x64 (already installed) and Ubuntu 18.04.1.



1st Method that I tried:




  • Burn Ubuntu iso image file to USB using Rufus,

  • Boot from USB,

  • Using gParted, I shrink the size of D: drive and it will generate more than 100GB unallocated disk space,

  • Then I install the Ubuntu inside those unallocated disk space.


  • However, during installation I encounter following error grub-efi-amd64-signed failed installation /target/,


  • So, I follow this solution, See: 2nd Method.


2nd Method that I tried:




  • Following steps are used since I face installation problem from 1st Method,

  • Just like first method, with some additional steps,

  • Using gParted, instead of just shrink the size of D: drive, I also shrink the size of C: and it will generate more than 100GB unallocated disk space for both drives,

  • From the unallocated disk space of C: I divide the partition into 2 partition, one is for EFI System Partition (Fat32, Logical) and the other one is for linux-swap(v1),

  • Then, i install Ubuntu to unallocated drive from D:

  • The installation went smooth, i.e. no problem during installation,


  • However, when trying to boot into Ubuntu without USB plugged in, it just wont boot, and now my Windows 7 can't boot too.


I guess it messes up the GPT or MBR thing (I think my old Windows 7 is using Legacy BIOS instead of UEFI, now I just want to get back to my previous state of my laptop which is using existing Windows 7, how to do that?



Thanks,










share|improve this question



























    0














    Here is the case,



    Previously my laptop (only 1 physical hardrive, with 2 partition, ie: C: and D:) were using Windows 7 Premium (64-bit), then I plan to make in dual boot, so it will eventually become Windows 7 Premium x64 (already installed) and Ubuntu 18.04.1.



    1st Method that I tried:




    • Burn Ubuntu iso image file to USB using Rufus,

    • Boot from USB,

    • Using gParted, I shrink the size of D: drive and it will generate more than 100GB unallocated disk space,

    • Then I install the Ubuntu inside those unallocated disk space.


    • However, during installation I encounter following error grub-efi-amd64-signed failed installation /target/,


    • So, I follow this solution, See: 2nd Method.


    2nd Method that I tried:




    • Following steps are used since I face installation problem from 1st Method,

    • Just like first method, with some additional steps,

    • Using gParted, instead of just shrink the size of D: drive, I also shrink the size of C: and it will generate more than 100GB unallocated disk space for both drives,

    • From the unallocated disk space of C: I divide the partition into 2 partition, one is for EFI System Partition (Fat32, Logical) and the other one is for linux-swap(v1),

    • Then, i install Ubuntu to unallocated drive from D:

    • The installation went smooth, i.e. no problem during installation,


    • However, when trying to boot into Ubuntu without USB plugged in, it just wont boot, and now my Windows 7 can't boot too.


    I guess it messes up the GPT or MBR thing (I think my old Windows 7 is using Legacy BIOS instead of UEFI, now I just want to get back to my previous state of my laptop which is using existing Windows 7, how to do that?



    Thanks,










    share|improve this question

























      0












      0








      0







      Here is the case,



      Previously my laptop (only 1 physical hardrive, with 2 partition, ie: C: and D:) were using Windows 7 Premium (64-bit), then I plan to make in dual boot, so it will eventually become Windows 7 Premium x64 (already installed) and Ubuntu 18.04.1.



      1st Method that I tried:




      • Burn Ubuntu iso image file to USB using Rufus,

      • Boot from USB,

      • Using gParted, I shrink the size of D: drive and it will generate more than 100GB unallocated disk space,

      • Then I install the Ubuntu inside those unallocated disk space.


      • However, during installation I encounter following error grub-efi-amd64-signed failed installation /target/,


      • So, I follow this solution, See: 2nd Method.


      2nd Method that I tried:




      • Following steps are used since I face installation problem from 1st Method,

      • Just like first method, with some additional steps,

      • Using gParted, instead of just shrink the size of D: drive, I also shrink the size of C: and it will generate more than 100GB unallocated disk space for both drives,

      • From the unallocated disk space of C: I divide the partition into 2 partition, one is for EFI System Partition (Fat32, Logical) and the other one is for linux-swap(v1),

      • Then, i install Ubuntu to unallocated drive from D:

      • The installation went smooth, i.e. no problem during installation,


      • However, when trying to boot into Ubuntu without USB plugged in, it just wont boot, and now my Windows 7 can't boot too.


      I guess it messes up the GPT or MBR thing (I think my old Windows 7 is using Legacy BIOS instead of UEFI, now I just want to get back to my previous state of my laptop which is using existing Windows 7, how to do that?



      Thanks,










      share|improve this question













      Here is the case,



      Previously my laptop (only 1 physical hardrive, with 2 partition, ie: C: and D:) were using Windows 7 Premium (64-bit), then I plan to make in dual boot, so it will eventually become Windows 7 Premium x64 (already installed) and Ubuntu 18.04.1.



      1st Method that I tried:




      • Burn Ubuntu iso image file to USB using Rufus,

      • Boot from USB,

      • Using gParted, I shrink the size of D: drive and it will generate more than 100GB unallocated disk space,

      • Then I install the Ubuntu inside those unallocated disk space.


      • However, during installation I encounter following error grub-efi-amd64-signed failed installation /target/,


      • So, I follow this solution, See: 2nd Method.


      2nd Method that I tried:




      • Following steps are used since I face installation problem from 1st Method,

      • Just like first method, with some additional steps,

      • Using gParted, instead of just shrink the size of D: drive, I also shrink the size of C: and it will generate more than 100GB unallocated disk space for both drives,

      • From the unallocated disk space of C: I divide the partition into 2 partition, one is for EFI System Partition (Fat32, Logical) and the other one is for linux-swap(v1),

      • Then, i install Ubuntu to unallocated drive from D:

      • The installation went smooth, i.e. no problem during installation,


      • However, when trying to boot into Ubuntu without USB plugged in, it just wont boot, and now my Windows 7 can't boot too.


      I guess it messes up the GPT or MBR thing (I think my old Windows 7 is using Legacy BIOS instead of UEFI, now I just want to get back to my previous state of my laptop which is using existing Windows 7, how to do that?



      Thanks,







      windows-7 windows ubuntu boot partitioning






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      asked Dec 14 at 1:52









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