This report lists the audio drivers compatible with the HP ProBook 650 G1 running Windows 10, installation guidance, troubleshooting steps, and recommended driver sources.
You have installed the driver, but something is still wrong. Let’s fix the top five issues.
In the latest versions of Windows 10 (22H2), Microsoft introduced "Driver Protection Policies" that block unsigned legacy IDT drivers. If your audio stops working after a major Windows update, use this registry fix:
Solution:
This is the "magic fix" for most ProBook 650 G1 owners. Windows Update often misses the correct driver, but you can force it to look for a specific, compatible one.