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I plugged my headphones into my computer, and after I unplugged them, my laptop speakers are no longer working. I tried to plug the headphones back in thinking that maybe the switch in the headphone jack was stuck, but the headphones weren't working either then.

When I play audio (youtube, pandora, etc), and the playback tab under sound shows that there is audio going through to the communication headphones even though speakers/headphones is set to default.

When I try to play a test sound, it said "failed to play test tone"

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The Sound Control Panel application has settings for both Default Device and Default Communications Device. Try setting the Speakers to both by right-clicking the icon. After selecting it, that context-menu item is no longer shown for that device.

You might need to set another device as defaults , e.g. Headphones, and then revert to Speakers, to force the settings to be retained.

Your thought about the headphone-jack switch being faulty is reasonable, though.

Windows Sound CPL

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