Describes the cause and action for error messages.
update failed to play test tone
How to Fix "Failed to play test tone" error on Windows 7, 8 and 10 ...
Fix: Failed to Play Sound Test Tone in Windows 10 - Windows Report
No audio from speakers; Failed to play test tone. Solved - Windows ...
Fix Failed to Play Sound Test Tone in Windows 10 - The Windows Plus
How to Fix No Sound after the Windows 10 Creators Update | Driver ...