salam. agar hard disk mian koi problem ho to kia system ki speed par koi asar parta hay. mery system mian processer 600 and ram 64+64+32 ki lagi hoi hian, and IBM Company ka hay. laykin meri hard main problem hay wo awaz deti hay. kia agar mian apni hard change kar lo to kia speed theek ho sakti hay??????????? plz help me.