Win10 system has no sound, what is going on

1. If you are using a VIA HD Audio sound card, there may be a phenomenon in which sound can only be heard in certain applications. Right click on the sound icon in the taskbar and select “Playback device”.

Select the appropriate device as the default communication device (here as a demo, the demo device does not use the VIA sound card) After setting the default communication device, then open the device properties (right-click menu in the above figure):

Switch to the Enhance tab and remove all enhancements.

2. If you are using Realtek audio card, you can fix it by modifying Group Policy when you encounter 0x000005b4 error message. Click the taskbar search button, type gpedit, and press Enter to open the Group Policy Editor.

Open Computer Configuration ——Administrative Template——System——Device Installation:






























.

Select is enabled, change the default timeout from 300 seconds to 1800 seconds, click OK.
3, If the above method can not solve the problem, you can try to roll back the driver.
Right click on the start menu in the lower left corner and select “Device Manager”.


you find & ldquo; sound input and output & rdquo ;, Right-click the default sound output device, and select Properties.

Switch to the "Drivers" tab and click "Rewind Drivers". (The system that has been rolled back or newly installed is not available here)
The system is finally rebooted.
4, reinstall the sound card driver