first of, I have windows xp on my other laptop but i can use it because if a bluescreen iqr_notequall_or_less somthing came up, Its a blue screen, Now im trying to reformat it using a bootable usb using rufus, when im about to reformat it. it says "bootmgr is corrupted, system cannot boot" Im trying to install windows 7.. Please help me, I beg of you