Windows 7 computer, a web browser can play music, all music software and computer video software have no voice, a great god, please grant instruction?

CodePudding user response:

You may have more than one sound output device! In sound equipment management unified output devices

CodePudding user response:

See if your device manager is voice, video and game controllers, and the following five is my sound card machine equipment,

CodePudding user response:

refer to the second floor sswwq11 response:

See if your device manager is voice, video and game controllers, and the following five is my sound card machine equipment,

Why do you have five NVIDIA High Definition Audio? I am only one,