Win7, Win8.1 upgrade Windows 10 after the system does not sound what to do

1, if we use the "VIA HD Audio sound card" We can try to solve the following method, we right-click the taskbar sound icon, select "Play Device";

Select the appropriate device as the default communication device (demo device does not use via sound card here)

Set us to open the device properties as follows:

Then we click on the third enhancement, and then we remove all the enhancement options.

2, if we are not the sound card described above, and the use of Realtek Audio sound card, when encountered 0x000005b4 error prompts, you can modify the way the Group Policy repair. Click on the Taskbar Search button, enter GPEdit, return to open Group Policy Editor;

Specific access to the "Computer Configuration---Management template---system---device installation" as shown in the following figure we should pay attention to the left and right side;

On the right we find "Configure device installation Timeout" in the open window, and then click OK after the following example.

3, if the above methods can not solve the problem, you may try to rollback driver.

Back to the desktop, right-click "Start" and click "Device Manager" details as shown in the following figure;

Okay, then we'll www.111cn.net. Click "Sound input and output", right-click to select "Properties" as shown below;

All right, in the Open property interface, we click "Driver"-"rollback driver". (systems that have been rolled back or newly installed are not available here)

All right, finally, we reboot the computer and reinstall the sound card driver to see if the problem is solved.