One, under Windows XP
1, directly right click on the taskbar icon, and then click " Adjust audio properties ";
2, in the Open " Sound and Audio device properties "-" audio "-" volume " specific as shown in the picture;
3, again in the pop-up window click " Options "-" advanced control " operation as shown in the following figure;
4, OK again we click on " Advanced "-" advanced " details as shown in the picture.
5, here we find " microphone strengthening ", direct cancellation of the following diagram in the check can be. Conversely, please tick.
Second, under Windows 7 system
1, also in the lower right corner of the computer right click the sound icon, and then click on " recording equipment ";
2, in the Open " sound " Panel we find " recording "-" properties ";
3, now we see in the open " built-in microphone Properties "-" level "-" OK ".
Tips: In fact, the method of operation is very simple oh, if you are WINDOWS8 system can also refer to the setting of the Windows7 to control the microphone volume Oh, this is not a description of OH.