After reboot, open the system tray. You should see a black and orange B&O icon (HP Audio Control). If you see a standard speaker icon with no enhancements, the driver failed.
typically uses drivers. For specific hardware variations, you can find the official software and driver downloads for the 830 G6 series on the HP Support Portal . hp elitebook 830 g6 audio driver
Windows Update overwrote the HP driver with a Microsoft generic driver. Fix: You must use the Microsoft Show/Hide Tool (wushowhide.diagcab) to block automatic updates for the audio driver, then reinstall the HP driver from scratch. After reboot, open the system tray