If you see the message “Sound output device not installed” when you hover your mouse over the sound icon, your sound problem is probably related to one of these problems. You probably don’t need to try them all; just start at the top of the list and work your way down.
What causes the “Sound output device not installed” message?
A major Windows 10 update is out: You won’t guess, but one of the main causes of Windows 10 errors is the updates themselves. While they bring a lot of new features, security fixes, and other goodies, they can also mess up your system.