After reinstalling the win7 system, the sound disappears and the music solution cannot be played (graphic tutorial)

Win7 system continues to mature and more and more users use the installation, but after installation, it will inevitably lead to failure problems. Some users have no sound after clicking the video or music after installation. What is going on? I believe everyone has the same experience. Question, how to solve it? Let's follow the small steps to understand the cause and solution.

After the reloading of the win7 system, the sound disappears and the music cannot be played.

1. Open the control panel and find the sound option to open;

2, the image of the face speaker appears on the play tab that appears, double-click to open, and set the speaker button to the normal state in the level tab that appears;

3, if it is a microphone If there is no sound, find the recording tab and change the sound icon of the level column to the normal state.

4. Check if the driver of the system sound card is faulty. The specific method is: right mouse button Click on the Start menu option, select it and go to the Device Manager where you can view the video, sound and game controller. If one of the yellow exclamation marks appears, then check the sound card driver and update it in time;

5, the sound service disable situation details view, the operation method is to use the right mouse button to click the computer option in the start menu. After selecting the application, I came to the service option, so that the Windows Audio option is always in a state of persistence.

After the reloading of the win7 system, the sound disappears and you can't play music. The skills are shared here. The next time you encounter the same problem, you can easily solve it.