Troubleshoot no sound with Windows Audio Troubleshooter
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If you have trouble hearing sound from your computer, try running the Windows Audio Troubleshooter to assist in identifying and resolving any sound issues.
Run Windows Audio Troubleshooter
Try using the Audio troubleshooter to fix the problem. It checks for common problems with your volume settings, your sound card or driver, and your speakers or headphones.
To access the troubleshooter perform the following:
1. Go to the Start screen by pressing the Windows key.
2. At the Start screen start typing "troubleshooter".