One, under Windows XP
1, the mouse point to the lower right corner of the status bar volume icon Right click on the pop-up menu selected "Adjust audio properties";
2, in the pop-up "voice and audio Device Properties" dialog box, click the "Audio" tab, select the recording default equipment (according to the machine configuration will have Realtek, Conexant, IDT, etc.), click "Volume";
3, in the pop-up dialog box, click "Options", select "Advanced Control";
4, will be displayed at the bottom of the "Advanced" button, click the "Advanced" button;
5, if you want to cancel the "microphone strengthening", directly cancel the following diagram in the check can be. Conversely, please tick.
Second, under Windows 7 system
1, the mouse point to the lower right corner of the status bar volume icon Right click on the pop-up menu selected "Recording equipment";
2, in the pop-up "Voice" dialog box, click the "Recording" tab, the mouse pointing microphone (according to the machine configuration will be different Realtek, Conexant, IDT, etc.) right click, in the pop-up menu, select "Attribute";
3, in the pop-up "Built-in Microphone Properties" dialog box, click the "Level" tab, drag the slider as needed to adjust the microphone to strengthen, and then click OK.