so, until either @microsoft or Realtek fixes this issue https://answers.microsoft.com/en-us/windows/forum/windows_10-update/win-10-build-2004-issue-with-realtek-audio/7ea0d7ee-efa0-43e6-bd67-425fc69d6706?page=3&auth=1 I am using a brand new laptop with a cheap bluetooth external speaker because no sound in Windows 2004