hp webcam not working

I bought a HP Pavilion DV7-6c95dx Notebook PC on May 2012. my webcam started to work eratically on this morning and it has stopped working now and it says cannot detect!! how do i make it start working again its cyberlink youcam from hp. When I opened up the Device Manager, I don't see Web Cam on the list of devices.
Ways to resolve the Webcam black screen issues on Windows 10 : –. 1. Installing latest driver. One of the major reasons for the webcam black screen is outdated drivers installed on the system. We can update the drivers manually and automatically by Advanced Driver Updater.
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hp webcam not working