Ubuntu – Does Ubuntu need this EFI partition

bootpartitioninguefi

I'm trying to migrate my system to a SSD, and there's this 512mb EFI partition that's giving me trouble. Is this thing a leftover from Windows 8? Does Ubuntu need it to function properly? I'm not using dual boot.

Best Answer

Yes, Ubuntu needs that EFI partition. UEFI is a (relatively) new method of booting for operating systems, and is much more featured than legacy/BIOS boot. Look it up for some more details.

If you don't copy it over, you aren't going to be able to boot, as it stores the bootloader files for OSes that support EFI. There may be Windows stuff left over, but there's also almost definitely GRUB files in there as well.