I first wanted to install MAC OS onto it and everything worked fine Grub does not use nor need a boot flag, windows has to have one on a primary partition. . Syslinux MBR and higher) is installed in the MBR of /dev/sdb. . EDIT: The entrys of my USB stick with the Ubuntu setup are also in the.
Here you can insert the Ubuntu CD instead of the Windows one. – c0de Jan 2 Apple doesn't want you to boot an OS other than OS X off USB. . Mac Linux USB Loader worked on my 2012 MacBook Pro with no problems.
PLoP Boot Manager - Your alternative USB boot method, With a modern mac, and a modern version of Ubuntu, EFI/UEFI booting should no longer be an issue, Unetbootin for Linux, Windows, Mac OS X. How to get Ubuntu 16.04 (Linux) on Mac OS X (Dual Boot)