If Windows 10 isn't listed or doesn't show an audio driver, click "Choose a different OS" Windows 8.1 (64-bit) Download Driver : Expand the section and download the IDT High-Definition (HD) Audio Driver (typically a file named like sp65196.exe sp63916.exe
Choose or "Browse my computer" if you have the downloaded files. hp probook 650 g1 audio drivers windows 10