Salam expert plz help me manay p4 mein windo ki hy baqi sab theek hy lykn sound nai ati koi b vedio play kro tu.adiou tu koi b nai chalti .manay drivers b instal keye hein plz help me importent cheez ye hy k jab b adiou ya vedio ply kro tu khhooon khhooonn ki awaz ati hy spekr sy spekr b change kar k dykhy hein