02-22-2024, 03:03 PM
If you used UEFI for Windows and Ubuntu (I assume you mean Ubuntu), then you should already have the required EFI partition.
Did you boot into Ubuntu and then run grub-update and install-grub? But first make the necessary changes to /etc/default/grub.
Did you boot into Ubuntu and then run grub-update and install-grub? But first make the necessary changes to /etc/default/grub.