`sudo nano /etc/default/grub` use the arrow keys to go to the bottom of the file add `GRUB_ENABLE_BL
sudo nano /etc/default/grubuse the arrow keys to go to the bottom of the file
add
GRUB_ENABLE_BLSCFG=true to the bottompress CTRL+X and then Y, then ENTER to save the file
then write
sudo grub2-mkconfig -o /etc/grub2-efi.cfg into the terminal and it should remove the duplicate entries







