Windows7 system Microphone no sound?

Reason Analysis:

1, the system service problem;

2, the computer sound setting is not correct;

3, the sound card driver problem

Solution steps:

1, first open the Control Panel, and then click on the panel "Hardware and sound-Audio management device" option;

2, and then double-click the microphone to open the microphone properties interface, switch to the Level tab, and then adjust the microphone sound volume and set the microphone as the default device;

3, check the sound card driver, the simplest thing is to enter the Device Manager to see whether the sound card driver is normal, you can download a driver wizard to check the update, because the sound card driver version of the lower will also appear microphone no sound Oh, recommended to upgrade the latest version.

4, the above method has not been resolved, then check the Win7 voice service is disabled, open the service window, find a Windows audio to ensure that it has been kept in a startup state, the startup is set up if not started.

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