Win7 sound big and small solution

Win7 sound big and small solution steps:

First, on the computer desktop from the lower corner sound icon, select the right mouse button, and then select “ sound & rdquo ; as shown below:
On the sound icon, right click and select “sound 

Second, you can open the Win7 sound settings dialog box, as shown below, then I switch to “ communication & rdquo; dialog box, then in the "When Windows detects communication activity:", select "do not perform any operation", and finally click OK at the bottom, as shown below:
Windows detection communication activity is set to Do not perform any operation

At this point, the Win7 sound setting is completed, and then the music will no longer appear to be smaller, or the sound will be louder and smaller, and friends who have encountered similar problems will try it out. Win7 communication activity is a new function of Win7 system. It is designed to enhance the communication activities such as video or remote. It is more user-friendly. If it affects your use, you only need to follow the above steps to solve the problem that Win7 sound becomes smaller.