Pelo que vi, no fórum americano da HP, muita gente tem esse problema. Um user que conseguiu resolver, fez isso : "First of all, I degraded Skype from the latest version to skype 126.96.36.199. Then I went in Skype - Tools - Option - Advanced Settings - Automatic Updates and click "Turn off automatic updates" and Save. I closed (Quit Skype) Skype then.
I clicked on Start (in toolbar) and in search area typed Device Meneger. Then in Sound Video and game controlers, highlite and right click on mouse on IDT High Definition Audio Codec and press Unistall. This will unistall IDT drivers from th