Win7 pure version of the system can not say how to solve?

Method One: the right to set the microphone

1, after installing the latest version of the sound card driver, you may have the microphone sound normal, but if you feel the microphone sound relatively small, Also need to make detailed settings;

2, in the "Record" tab, double-click the default "Microphone" icon to enter the detailed settings;

3, switch to the "level" ” option, drag & ld;; microphone & rdquo; drag to 100, & ldquo; microphone boost & rdquo; drag to +30.0dB, the sound can be adjusted, the sound is small, it is not easy to adjust;

2 In addition, under the “Enhanced” tab, you can also disable all sound effects. Turning on these effects may cause the microphone to have a small volume or even silence, so select “Disable all sound effects”

Method 2: Set the microphone volume

1. Enter the audio manager of the sound card. “Play volume” is the sound captured by the speaker to play the microphone. The default is the minimum;

2, and the "Noise Rejection" and "Echo Cancellation" functions below must be selected. These two functions are very helpful for improving the sound quality.