mean nay new window instal ke hi ab es mean sound driver nahi kam ker rah yane es mean say koe awaz nahi a rahy arer wagera ke to awaz a rahe hi per or awaz nahi a rahy na he mic kam kar rah hi jub be koe song play karta hoon to likha ata hi keh your sound driver working not properly ab muj ko yeh batyn keh koe sound driver instal karna pary ga window mean us ka apana bhe hota hi na ya wohe kam kary ga ager kary ga to wo kis terha