sudo -s
diskutil list
diskutil eraseVolume "HFS+" "EFI" /dev/disk0s1

mkdir /Volumes/EFI
mount_hfs /dev/disk0s1 /Volumes/EFI
cd /Volumes/EFI

cd ~/Desktop/boot
fdisk -f boot0 -u -y /dev/rdisk0
dd if=boot1h of=/dev/rdisk0s1
touch /Volumes/EFI/.fseventsd/no_log

umount /Volumes/EFI                             umount -f /Volumes/EFI
rm -rf /Volumes/EFI