Audio Drive For Hp Pavilion Dv6700?

Conexant develops audio solutions that are used in a wide range of products including personal computers. We provide customized audio drivers to our customers, which include major computer manufacturers globally. At the request of these manufacturers, Conexant does not provide end-user support or drivers for PC audio products. If you have an issue with the audio configuration in Windows 7, please contact the manufacturer of your computer. (this came from computer)[/b] Worked for a bit now no sound at all had to buy an external one want the one included in my computer to stay on not bounce off. this has happend after installing windows 7 home premium onto my windows vista(worked well with this one) now after awhile it works then now sound.