No sound after upgrading the WIN10 system four kinds of solutions

1, if you are using the Via HD audio sound card, there may be only in some specific applications to hear the phenomenon of sound. Right-click the taskbar's sound icon and choose Play device.

2, choose "Playback equipment";

3, choose the right equipment as the default communication equipment (here as a demo, demo device does not use via sound card);

4, set up a good default communication equipment, and then open the device properties (the right button menu);

5, switch to the Enhanced tab, remove all enhancements.

Method Two:

1, if you are using a Realtek audio sound card, when you encounter 0x000005b4 error prompts, you can modify the way the Group Policy to repair. Click on the Taskbar Search button, enter GPEdit, return to open Group Policy Editor;

2, open the Computer Configuration--Management template--system-equipment installation;

3, on the right to find "Configure device Installation Timeout", double-click to open the Settings window;

4, select Enabled, the default time-out period from 300 seconds to 1800 seconds, click OK.

Method Three:

1, if the above method can not solve the problem, you may try to roll back the driver;

2, in the lower left corner of the Start menu right click, select "Set the manager";

3, find "sound input and Output", right click on the default sound output device, select Properties;

4, switch to the "Driver" tab, click "Fallback driver." (systems that have been rolled back or newly installed are not available here);

5, the last reboot system.

Method Four:

1, reinstall the sound card driver;

2, if the above method is still not resolved, you can try to reinstall the sound card driver. You can search the website of the brand name machine or sound card to drive.

No sound after upgrading the WIN10 system four solutions explained here, later encountered upgrade WIN10 system without sound can be resolved by the above method, hoping to help everyone.