I just "zero fill Full Erase" my hard drive today using Seagate Tools for Dos, and then i created a bootable usb using a YUMI software. And then when I boot it to my PC i cant find an option to boot it, it is just only saying GRUB4DOS, or "Minimal bash like line editing is supported and i'm stuck with that because i just permanently deleted all my files including my OS using seagate tools for dos option to full erase it. I dont know how can i put an OS to my pc now. PLEASE HELPPPPPPPPPPPPPPPPPP!