Take a look in device manager for any yellow or red splats.
Could be you just need to re-install the drivers.
Sometimes the drivers are already sitting on the hard drive for re-installation.
Check windows explorer for an HP\Drivers folder.
If they're not there, you can download them from HP Here.
It has a modem\audio combo setup.
Edited by Grinler, 05 November 2015 - 01:40 PM.