salam

i hv a problem.....main ne aj window xp install ki.......nd then sare drivers bhi install kiye.. like video audiond lan wagera....bt audio driver work ni kr rha ha.....nd pc k sounds disabled hain....main ne 2,3 bar install kiye drivers again nd agin nd again....but all vain....sareee seting bhi check kin hain sb kuch theak hai....so plz help me about this... k kion ni sound chal rha..........