main USB ko bootable bana raha tha jis ke leye main poweriso application download ki.main ne poweriso open kia lekin mere pas source image nai thi.main us USB ko HDD ki bajaye over-write kiya Lekin phr ok ka option aya aur main ne cancell kar deya phr USB nikal le per ab USB lagata hon to open nai hoti usb lagti nai hai koi option nai ata plz help me.lekin wo USB L.E.D TV pe chalti hai.aur computer pe aur USB chalti hai per WO wali nai chalti.