The Audio troubleshooter might be able to fix audio problems automatically.
To run the troubleshooter:
In the search box on the taskbar, type audio troubleshooter, select Fix and find problems with playing sound from the results, then select Next.
Select the device you want to troubleshoot, and then continue through the troubleshooter.
You can also launch the troubleshooter from Sound settings. Select Start > Settings > System > Sound > Troubleshoot.
Did that fix your problem?