Category : grub

First os is windows 8.1 and second os is ubuntu. I have tried to dual boot after successful installation of both simply windows only booting i have setup boot config properly. If i change boot configuration(legacy support,legacy first) then grub bootloader comes and ubuntu boot and have no option for windows 8.1. Source: Windows..

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I’m trying to boot Windows 10 amd64 preboot environment (PE) iso I created with Windows ADK + the "PE addon". I’m trying to use signed boot shim and signed GRUB for this. First I use Debian 10.5.0 amd64 stuff (grub-common, grub-efi-amd64-bin, grub-efi-amd64-signed, shim-signed.): In my /tftproot I have symlinked: bootx64.efi -> /opt/efipkgs/debian/shim-signed/usr/lib/shim/shimx64.efi.signed grubx64.efi -> /opt/efipkgs/debian/grub-efi-amd64-signed/usr/lib/grub/x86_64-efi-signed/grubnetx64.efi.signed ..

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