Thanks Thomas for taking the time to explain. I managed to solve the issue by adding the following parameter:
--bootloaders "grub-pc grub-efi" On Sat, 23 Nov 2024 at 07:15, Robert Spiteri <rspiter...@gmail.com> wrote: > For my ISO, in lb config I am specifying the following: > > --binary-image iso-hybrid --uefi-secure-boot auto > > However the binary generated will not boot unless the EFI option is > checked (ex: in VirtualBox and VMware player). So basically it is resulting > in a UEFI only ISO. > > I have installed grub-pc-bin and grub-efi in the host OS on which I am > generating the ISO, however the issue persists. > > What am I doing wrong please? >