Moving from legacy drivers (and legacy boot) to open drivers (and UEFI boot)

[GaaSantAna]

My new GPU yes need a UEFI system.
I am following this tutotial, and a lot of other users had changing from legacy to uefi.

Broke /boot and system failing to start

You will want a new 300 MB FAT32 partition. The installer puts it in the first partition, but there’s nothing wrong with putting it at the end. And there are less steps, and no need to move data around. (MBR has a 2TB limit from where it can boot, but you are already on GPT.) We can easily create the swap partition from scratch, so we can just delete it. 1. Gparted a) Delete /dev/sdb3 (legacy boot partition) b) Delete /dev/sdb2 (swap partition) You should just have a single /dev/sdb1 (ext4/b…

I am having a issue with this procedure:

sudo grub-install --target=x86_64-efi --efi-directory=/boot/efi
Installing for x86_64-efi platform.
grub-install: error: /boot/efi doesn't look like an EFI partition.

Need help here. I am on a live usb with a chroot environment