Dell XPS 13 fails to boot; grub-install installed grubx64.efi instead of shimx64.efi
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
asked Feb 11 at 12:25
Stuart CaieStuart Caie
412511
add a comment |
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
asked Feb 11 at 12:25
Stuart CaieStuart Caie
412511
add a comment |
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
asked Feb 11 at 12:25
Stuart CaieStuart Caie
412511
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
asked Feb 11 at 12:25
Stuart CaieStuart Caie
412511
asked Feb 11 at 12:25
Stuart CaieStuart Caie
412511
asked Feb 11 at 12:25
Stuart CaieStuart Caie
412511
asked Feb 11 at 12:25
Stuart CaieStuart Caie
412511
asked Feb 11 at 12:25
Stuart CaieStuart Caie
412511
412511
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
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.
answered Feb 11 at 12:25
Stuart CaieStuart Caie
412511
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
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.
answered Feb 11 at 12:25
Stuart CaieStuart Caie
412511
add a comment |
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.
answered Feb 11 at 12:25
Stuart CaieStuart Caie
412511
add a comment |
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.
answered Feb 11 at 12:25
Stuart CaieStuart Caie
412511
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.
answered Feb 11 at 12:25
Stuart CaieStuart Caie
412511
answered Feb 11 at 12:25
Stuart CaieStuart Caie
412511
answered Feb 11 at 12:25
Stuart CaieStuart Caie
412511
answered Feb 11 at 12:25
Stuart CaieStuart Caie
412511
412511
add a comment |
add a comment |
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