Do your volume/brightness keys not work? You need the driver and the HP Software Framework . These allow the Fn keys to communicate with the OS.
In this guide, we will cover everything you need to know: where to find official drivers, how to install them, which drivers are critical, and how to fix common driver-related problems. hp probook 445 g8 drivers
These are the business features that protect against malware. Connectivity: Do your volume/brightness keys not work