Once you've downloaded the audio driver, follow these steps to install it:

Users have reported low sound on this model after upgrading. Installing the specific IDT HD Audio Driver from a business notebook model often fixes this. Microphone Issues: If the internal mic isn't working, check the HP Support Community for specific IDT "Tempo" driver versions. HP Support Community direct download link for a specific version, or are you having a specific error during installation? AI responses may include mistakes. Learn more Probook 650 G1 low sound volume - HP Support Community

Go to the tab and check Disable all enhancements . Specifications Overview

To summarize the winning formula: