We are volunteers willing to help you try to resolve this issue.
These methods usually help to resolve this issue :
Fix common sound problems <-- read this
http://windows.microsoft.com/en-us/windows-10/f...
No sound in Windows - Use the troubleshooters - Start - Settings - Update & Security - Troubleshoot --> Playing Audio, Recording Audio, & Hardware and Devices.
References to Vista also apply to Windows 7 and 8/8.1/10
Fixing a customer problem: “No Audio Device is Installed” when launching sndvol on Windows Vista <- read this link - translate the methods for Windows 8/8.1/10
http://blogs.msdn.com/b/larryosterman/archive/2...
Error “the Audio Service Is Not Running” When Opening the Volume Mixer in Vista <- read this link - translate the methods for Windows 8/8.1./10
http://www.winhelponline.com/blog/error-the-aud...
Also Right Click Speaker near clock - Playback Devices - right click in the box area - check Show disable and disconnected devices. Highlight Speakers and on the lower Right click Properties check settings for Device Usage enabled and so on. Also do same for Configure on Lower Left of that box.
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If you tried ALL of those then try these :
- Try a System Restore back to before this happened.
How to do a System Restore of Windows 10
http://www.tenforums.com/tutorials/4588-system-...
- Try doing a "Refresh your PC without affecting your files" (or changing your personal settings) or even a Restore (removes programs).
- Try doing a Reset (removes all programs and files).
Windows 10 includes special methods to Refresh (keep files and settings) or a Reset
(new install removing all).
Refresh is part of reset in Windows 10
http://windows.microsoft.com/en-us/windows-10/r...
How to Refresh Windows 10
http://www.tenforums.com/tutorials/4090-refresh...
How to Reset Windows 10
http://www.tenforums.com/tutorials/4130-reset-w...
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Windows 10 - Help & Support
http://windows.microsoft.com/en-us/windows-10/s...
Windows - 10 - Search Support
https://www.microsoft.com/en-us/newsearch/resul...
Please let us know the results and if you need further assistance.