I created with universal USB install a UBCDlive key. I have an X79 (ASUS P9X79 WS).
in the menu, I have two choices for the key: with or without UEFI. without UEFI, it starts and I ropse a bar on the side of the screen (very fine) and after a time (the screen went from large to small font police) he goes nothing .
Here is my set on this link: http://www.driverscloud.com/fr/publish/ ... 3-1/resume
I hope it will help.
PS: I wrote this paved with Google translation. I am French and I never learned English at school.