So, I'm on windows and I'm trying to dual boot Ubuntu in a second drive, but every time I boot into the live usb, it comes up with an error saying: "Failed to open EFI BOOT mmx.efi - Not found". This error happened every time I tried booting from a live Ubuntu usb. After searching it up, I learnt that I needed to create a new efi partition with a "boot" flag. So, how to do that, or do I need to make a new partition. Also, I can't boot from usb, so GParted won't help. Is there any way I can assign this boot flag from dispart or something?
also, I'm completly new to linux so I might not get everything the next time around, and might need much more detailed explanations.