Hi akashtiwari7,
Welcome to the HP Forums!
I would like to take a moment and thank you for using the forum, it is a great place to find answers.
For you to have the best experience in the HP forum, I would like to direct your attention to the HP Forums Guide First Time Here? Learn How to Post and More.
I understand that you are having an issue with the audio but you did not provide any details . Without knowing the exact model of your computer and the operating system you are running, I have no starting place.
How Do I Find My Model Number or Product Number?
Have you done all your Windows updates? You can run the The HP Support Assistant to aid with updates and difficulties.