Easily solve the Windows 7 system sounds suddenly big and small

Many users have encountered such a situation: When listening to video and audio, if QQ or MSN comes in the message prompt, the player will be disturbed and the sound becomes very small; When you play a video chat, the music playback sound will also become smaller. I thought it was a problem with the system or the machine. I was busy for a long time but still had no results. How to solve this problem?

In fact, as a new feature, this is a user-friendly design of Windows 7. It is intended to remind users in real time, so as not to ignore external information. However, the needs of each person are different, and it is possible to not be seen. If you don't need this feature, change the system's default settings. Here's how:

1. Type "sound" in the Start Search box and press Enter.



2. In the "Sound" dialog box, switch to the "Communication" tab. Set "When Windows detects communication activity" to "Do nothing" and press "OK" to save. [Default setting is "the volume of other sound reduction 80%"]



complete the setup, you can.