Hi elkatolhoek,
Welcome to the HPCommunity, I hope you enjoy your experience! To help you get the most out of the HP Forums I would like to direct your attention to the HP Forums Guide First Time Here? Learn How to Post and More.
I see that you are having from sound problems and I will be happy to help. I will need some additional details to better assist you. Are you using Windows 8? If not please let me know your operating system. Also, what is your product number as there are several different Pavilion dv6s in the series.
Thank you,