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Why are my headphones not working when I plug them in Windows 10? Set your headphones as the default device. Plug the headphones back in and see if they work. Look for the audio output port on the side or back of your computer, often with the headphones or speaker icon, and ensure your headphone jack is properly plugged in. If you’re using wired headphones, check your audio jack. Why can’t I hear anything on my headphones PC? Fixing muffled surround sound can sometimes be very simple, but other times it can be quite difficult to troubleshoot. Also, it’s worth checking that your AV receiver is on the right setting for the media. Muffled sound from speakers is usually caused by them not being wired in sequence, or the wiring being damaged.
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