Adjust left and right channel volume under VISTA

        How to adjust the left and right channel volume under Vista system? This article describes the specific operation steps.
1. Right click on the small speaker in the tray area at the bottom right corner of the screen. In the right-click menu that comes out, click “Play Device” 2. In the form that comes out, double-click "Speaker". 3. Go out of a speaker window, click on the "Level" tab, and click on the "Line" button on the first line of speakers (the name of your sound card may appear on your computer). In the balance here, drag to 0-100 to turn off, get bigger and smaller, left front and right front volume