How to fix 'No Audio Output Device is Installed' problem on Windows 10.

This article will help you to fix your audio or sound problems in your Windows 10 computer, before we start with the solutions make sure to check you haven't accidentally muted your system and also try troubleshooting with your audio device. This may identify your sound problem and it could sometimes fix it on its own. If you have used the inbuilt Microsoft Troubleshooters, before you know they don't always catch everything. here some simple ways to fix 'No Audio Output Device is Installed' problem on Windows 10.

The first method is Uninstall Audio Driver in Device Manager.
Right click on Windows icon and select Device Manager, here you can see sound video and game controllers category. Click and expand it, under this category right-click on the current sound driver. In this case i use realtek high definition audio, right click on it and then select uninstall. A dialog box will now appear to confirm the uninstalling process. 

This window contained an option to delete the driver software for this device. Make sure this box is unchecked, if you check that box it will completely remove the audio driver from your computer. And sound will not work at all, without downloading and installing a new audio driver software. Now press ok and restart your system, after restart, windows will automatically install the driver software in your system. This could fix your problem, installing the proper audio driver can fix this no sound issue. If you have done so, but still can't hear any sound, you can try the second method to fix 'No Audio Output Device is Installed' problem on Windows 10.
The second method is to modify the speakers properties.
Right click on the sound icon at the bottom right corner and click sound. Then select playback devices in playback tab, select your speakers which is set as default and click properties. Go to advanced section and change sample rate and bit depths to 24-bit, 44100 Hertz or 24 bit, 48000 Hertz depending on the speaker configuration or any other from the list until your sound works properly.

Now click apply and ok to save the change, if the issue is still unresolved you can try another method for restoring sound.
The Third Method Is To Disable Audio Enhancements.
The audio enhancements are inbuilt Microsoft and third-party packages designed to make sure your system specific audio hardware works perfectly, sometimes these very enhancements are causing your Windows 10 audio issue. Disabling them might resolve your sound problem, for that right click on the sound icon and select playback devices. In playback tab select your speakers which set as default and click properties. Now click the enhancements tab and make sure to check the box labeled ‘disable all enhancements’, it will be usually shown up. If you don't see an enhancements tab, then this audio device doesn't support configurable enhancements. that's mean, your computer speakers should now be able to play sound normally.

If the sound is still not working then try downloading and installing the latest audio drivers for Windows 10 from the computer manufacturers website. That’s a few simple ways to fix 'No Audio Output Device is Installed' problem on Windows 10 and hope this article useful.