Windows 7 volume when the big solution is small

Friends often use Windows7 to watch movies to listen to music when the sound is often large and small, and later found that watching video or listening to music while opening QQ or MSN and other instant messaging The problem with the tool, the volume will become smaller whenever the QQ message comes. How to solve this problem?

In fact, this is a new feature of Windows 7 "Communication". When using a PC to make a call or answer a call, Windows can automatically adjust the different volume. So when there is a message from QQ or MSN, Windows will automatically reduce the sound because of the sound.

Solution:

1. Under the control panel, find: Hardware and Sound-> Sound, there is "Adjust system volume" and "Change system sound" Features.

2. Click on "Sound” or <;Change System Sound", select the "Communication" tab. "When Windows detects communication activity: & rdquo; select as "do nothing" & rdquo;.

This solves the problem of large and small Windows 7 sounds.