Hi,
Thank you for posting on Microsoft Community. We appreciate your interest in Windows 10.
Have you updated sound drivers?
Method 1: Run Hardware and Devices troubleshooter, and check if the issue is resolved.
Step 1: Type Troubleshooting in the search box next to
Start button, and press Enter.
Step 2: Click on View all from left side panel of the screen.
Step 3: Select Hardware and Devices,
click on Advanced option, and check
Apply repairs automatically option.
Step 4: Follow the on screen instructions.
Method 2: If the issue persist, run Playing audio
troubleshooter, and check if the issue is resolved.
Step 1: Type Troubleshooting in the search box next to
Start button, and press Enter.
Step 2: Click on View all from the left side panel of the screen.
Step 3: Select Playing Audio,
click on Advanced option, and check Apply repairs automatically
option.
Step 4: Follow the on screen instructions.
Method 3: If the issue persist, try uninstalling and reinstalling sound card driver, and check if the issue is resolved.
Refer to the below link about No sound in Windows (Applies to Windows 10 also):
http://windows.microsoft.com/en-IN/windows/no-sound-help#no-sound=windows-8&v1h=win8tab1&v2h=win7tab1&v3h=winvistatab1&v4h=winxptab1
Hope this helps!
Get back to us if you have queries regarding Windows, we will be happy to help you.
Thank you,
Microsoft Community.
