What should I do if I am having trouble recording sound?
If your computer is having problems recording sound, try using the Recording Audio troubleshooter to fix the problem. It checks for common issues, such as making sure that both a working sound card and a recording device are installed on your computer.
To open the Open the Recording Audio troubleshooter:
Click the Start button, and then click Control Panel.
In the search box, type troubleshooter, and then click Troubleshooting.
Under Hardware and Sound, click Troubleshoot audio recording.