1. Start-Run-Services. MSC-Find "Windows Audio" in "Name"-Select it with the left mouse button-Click the right mouse button-Select "Properties". If you are infected with a virus, you should run antivirus software to carry out comprehensive antivirus.
3. Open the control panel-Add new hardware-Next. After searching, click "No, I haven't added this hardware yet" and click Next. In the dialog box that appears, select "Click Finish, shut down the computer without, and restart to add new hardware".
4. Note that it is said here to shut down and restart, not restart. Generally speaking, the problem can be solved after rebooting.