Solved: Controller per High Definition Audio - HP Support Community - 6098793
FIXED: Realtek High Definition Audio Driver Issue - YouTube
Fix Realtek High Definition Audio Driver Issue for Windows 10 - Astuces informatiques
Sound problem for High Definition Audio Device vs Conexant - Windows 10 Forums
High Definition Audio Controller can't start because of Error code 10. Have tried everything from updating, uninstalling, to even a clean re-install of w10. : r/Windows10