How to do when Windows 7 volume is large and small

  

1. In the control panel, find "Hardware and Sound", click on the "Sounds" option, which has "Adjust system volume" and "Change system sound" ” Several functions.

2. Click on "Sound” or <;Change System Sound", select the "Communication" tab. Will "when Windows detects communication activity", select "Do not perform any action".

Copyright © Windows knowledge All Rights Reserved