Plzz any one help me, meri USB ek friend legaya tha aj jub usne wapas ki hai to usne format ker k nahi di thi, ab USB format nahi ho rahi hai, mene bht bar nikal k phir se plug ker k try kiya hai but phir b nahi ho rahi, Disk management me se b ja ker format karne ki koshish ki hai.. per her bar error de raha hai Drive in use, jub k drive kahin use me b nahi hai.. plz some one help me kal mujhe zarori kam me hai USB...