dosto meryy pas aik pc ha jo pehlyy to bhot thek kam kar raha tha aab bhe thek ha..leken aik problem ny mujhyy pareshan kia ha wo ya ha kh man jab koe bhe video ya audio play karta hon to awaz ne hote wo play ho raha hotta ha...ore esa b ne ha kh man ne audio ya video driver install na kiye hon.wo b install han phr b kuch awaz ne hote kia maslaa ha help me...thanks