@dilip420
Thank you for posting on HP Support Community.
Don't worry as I'll be glad to help, I have a few troubleshooting steps we could try to fix the issue:
Let's install Cyberlink Youcam Software from here: https://support.hp.com/in-en/drivers/selfservice/swdetails/hp-15-ac100-notebook-pc-series/8499326/mo...
Hope this helps! Keep me posted for further assistance.
Please click “Accept as Solution” if you feel my post solved your issue, it will help others find the solution.
ECHO_LAKE
I am an HP Employee