First, enter the Device Manager check the sound card driver is properly installed, if not properly installed can be the next Lenovo drive a key installation, use this tool can automatically help you find the appropriate host driver, and help you complete the drive download and installation.
Second, check the microphone settings are correct
For Windows XP systems
1. Using the right mouse button, click the Small horn icon in the lower right corner of the taskbar, select "Adjust audio properties";
2. In the open sound and audio device properties, click the tab "Audio";
In the Audio tab, select the Lenovo USB2.0 Audio in the recording default device, then click OK.
3. Using the right mouse button, click the Small horn icon in the lower right corner of the taskbar, select "Turn on Volume control";
4. In the Open Main Volume window, click the option, select the "Properties" inside;
5. In the Open Properties window, click on the Mixer Pull-down menu, select the Lenovo USB2.0 Audio, then click OK.
Then capture the inside of the window to pull the maximum volume and then close.
For Windows 7, Windows 8 Systems
1. Click on the right mouse button in the lower right corner of the taskbar to select "Recording equipment";
2. Set the microphone as the default device;
3. Double click "Microphone" to enter "level", set the volume to 100, and make sure the microphone is not disabled;
The following illustration is the microphone disabled state
4. Go to "enhance", check "Disable all sound effect" last click OK.
Third, running Windows Sound Recorder Software test microphone can be normal recording
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