Bhai apne jo ISO file ko USB pe write kerne ka software btaya tha (Ultra ISO wala) iss se USB bootable to ban gaee hai lekin ab again formate nahi ho rahi or 4-GB ki thi ab 550-MB ki reh gaee hai or uss per na he kuch delet ya formate ho raha hai or na he copy ... plez plz help me urgent how to formate it and gain full memory