The last few versions fedora LiveCD not display grub menu list when boot on BIOS mode, but it display when boot on UEFI. if UEFI mode boot, and disable secure boot or not have secure boot, grub2 echo secure boot not enable and can't boot, it Do evil follow MS
BIOS uses syslinux, UEFI uses grub2.
why grub2 need enable secure boot ??