Excuse me but i have a big problem that i can't solved BY reading old posts: i have a notebook with Windows 7 . I wanted to install ubuntu so i make a partion of disk e with unetbootin installed on a USB i installed ubuntu but it didn't run. So i run Windows and like a big big idiot i dealloc the partion where there was ubuntu to try another way. So i discover this error . Grub no such partion grub rescue. I don't know what can i do to run Windows (and even i will run Windows i don't know how to repair ) or to reinstall ubuntu BY unetbootin. Please help me . I don't have much experience as you se.