Do not feel that the microphone inserted directly into the host chrysanthemum can be used normally, in most cases we need to further setup. The following system of the small series for you to introduce the WIN7 system microphone to set the correct method.
Let's sort out the microphone and introduce the built-in microphone first.
1. First open the Control Panel--> speech recognition--> advanced voice options;
2. Find the "audio input" button;
3. Set the speakers and headphones to the default in the playlist;
4. Set the integrated microphone array to default in the recording directory;
Here is an external microphone for you to introduce.
1. Right click on the lower right corner of the small horn icon, select "Recording Equipment"
2. Select "Record" in the Open sound device screen. Then select Microphone, and then select Properties
3. Select "Level" in the Microphone properties settings screen to pull the microphone and microphone up to the right in the level to fit the position. (Microphone strengthens pull too the assembly listens to have murmur)
4. Right-click the volume icon (taskbar small horn) → recording equipment → Select the recording of the item → Select the microphone → click properties → click on the Microphone property box level items → the microphone and microphone to strengthen all pull to the rightmost (max) → finally click OK.