Dell XPS 13 fails to boot; grub-install installed grubx64.efi instead of shimx64.efi












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I have a Dell XPS 13 running Ubuntu 18.04. The system will not boot the signed EFI bootloader grubx64.efi. The system only boots shimx64.efi.



Every time grub packages are updated, it triggers grub-install, which removes the working shimx64.efi boot entry and replaces it with a broken won't-boot grubx64.efi entry.



The error message shown during boot is:



Failed to open EFIbootgrubx64.efi - Not found

Failed to load image EFIbootgrubx64.efi: Not found

start_image() returned Not found


This is not because the file is not found, but because the Dell EFI boot does not trust the signature; it only trusts the shimx64.efi signature.



How can I get grub-install to install the correct bootloader?






boot dell grub-efi







share|improve this question



























    0















    I have a Dell XPS 13 running Ubuntu 18.04. The system will not boot the signed EFI bootloader grubx64.efi. The system only boots shimx64.efi.



    Every time grub packages are updated, it triggers grub-install, which removes the working shimx64.efi boot entry and replaces it with a broken won't-boot grubx64.efi entry.



    The error message shown during boot is:



    Failed to open EFIbootgrubx64.efi - Not found
    
Failed to load image EFIbootgrubx64.efi: Not found
    
start_image() returned Not found


    This is not because the file is not found, but because the Dell EFI boot does not trust the signature; it only trusts the shimx64.efi signature.



    How can I get grub-install to install the correct bootloader?






    boot dell grub-efi







    share|improve this question

























      0












      0








      0








      I have a Dell XPS 13 running Ubuntu 18.04. The system will not boot the signed EFI bootloader grubx64.efi. The system only boots shimx64.efi.



      Every time grub packages are updated, it triggers grub-install, which removes the working shimx64.efi boot entry and replaces it with a broken won't-boot grubx64.efi entry.



      The error message shown during boot is:



      Failed to open EFIbootgrubx64.efi - Not found
      
Failed to load image EFIbootgrubx64.efi: Not found
      
start_image() returned Not found


      This is not because the file is not found, but because the Dell EFI boot does not trust the signature; it only trusts the shimx64.efi signature.



      How can I get grub-install to install the correct bootloader?






      boot dell grub-efi







      share|improve this question














      I have a Dell XPS 13 running Ubuntu 18.04. The system will not boot the signed EFI bootloader grubx64.efi. The system only boots shimx64.efi.



      Every time grub packages are updated, it triggers grub-install, which removes the working shimx64.efi boot entry and replaces it with a broken won't-boot grubx64.efi entry.



      The error message shown during boot is:



      Failed to open EFIbootgrubx64.efi - Not found
      
Failed to load image EFIbootgrubx64.efi: Not found
      
start_image() returned Not found


      This is not because the file is not found, but because the Dell EFI boot does not trust the signature; it only trusts the shimx64.efi signature.



      How can I get grub-install to install the correct bootloader?






      boot dell grub-efi




      boot dell grub-efi






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked Feb 11 at 12:25









      Stuart CaieStuart Caie

      412511




      412511






















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          My problem was that I had the shim package installed, but not shim-signed.



          Installing shim-signed fixed my problem.



          grub-install now installs shimx64.efi instead of grubx64.efi. Having the package shim installed is insufficient.






          share|improve this answer























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            My problem was that I had the shim package installed, but not shim-signed.



            Installing shim-signed fixed my problem.



            grub-install now installs shimx64.efi instead of grubx64.efi. Having the package shim installed is insufficient.






            share|improve this answer




























              0














              My problem was that I had the shim package installed, but not shim-signed.



              Installing shim-signed fixed my problem.



              grub-install now installs shimx64.efi instead of grubx64.efi. Having the package shim installed is insufficient.






              share|improve this answer


























                0












                0








                0







                My problem was that I had the shim package installed, but not shim-signed.



                Installing shim-signed fixed my problem.



                grub-install now installs shimx64.efi instead of grubx64.efi. Having the package shim installed is insufficient.






                share|improve this answer













                My problem was that I had the shim package installed, but not shim-signed.



                Installing shim-signed fixed my problem.



                grub-install now installs shimx64.efi instead of grubx64.efi. Having the package shim installed is insufficient.







                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered Feb 11 at 12:25









                Stuart CaieStuart Caie

                412511




                412511






























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