WIN8 System Computer Microphone sound small how to solve

WIN8 System Computer Microphone sounds small what's going on?

1, key mouse click on the lower right corner of the desktop taskbar sound settings icon;

2, click to select the recording;

3, the emergence of Sound Settings window, selected microphone;

4, click the Select Properties, pop-up Microphone Properties Settings window;

5, in the Microphone Property Settings window, select the level;

6, increase the microphone to the required volume settings, click Confirmation can be completed.