PAUL MARK

if it is a windows 10 hp laptop than i think you should follow the steps that i told you just remove the old sound driver and restart the computer and update the driver check the playback device for more support contact hp http://www8.hp.com/us/en/contact-hp/support.html and make sure you have your windows updated and also check the driver that has been recent update . uninstall some critical updates can also help you . thanks