OK, it seems the problem for me (HP Probook 6465b) was solved by installing HP driver version (sp57776.exe) in Windows 7 compatibility mode:ġ) Uninstall current IDT drivers, reboot and delete any residual IDT files (Program Files\IDT folder) and registry entries (HKEY_LOCAL_MACHINE\SOFTWARE\IDT)Ģ) Download sp57776.exe, extract it, right click on Setup.exe, choose Compatibility tab -> Run this program in compatibility mode -> Windows 7)ģ) Install driver, reboot, no more audiodg.exe eating HDD usage. I contributed to other forums without any luck so far: The last version is for Windows 8.1, which causes this problems as well. HP currently does not provide updated sound driver for my laptop. Both this workarounds lead to extremely bad, muffled audio, like sound frequencies are not mapped correctly.
You can (1) install generic High Definition Audio drivers, or (2) disable enhancements in sound panel properties. I know currently two workarounds for this issue, but none is desirable. I have tried this for Windows 10 without any success. The solution back there was to install HP IDT Audio drivers for Windows 7 in compatibility mode. This issues started back in Windows 8.1 Update 1. After a while (usually 10 - 60 seconds) the audio starts playing and HDD usage of this process goes down back to zero. When I launch Task Manager, I see Windows Audio Device Graph Isolation process taking 100 % of HDD usage. Upon launching any audio (including video files, music, games etc.) the computer freezes. I have problems with IDT High Definition Audio on HP 6465b running Windows 10.
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