With any luck, that should dislodge the gunk and the port will operate as it should. Before turning to more invasive techniques, get a can of compressed air, attach the small tube that fits the nozzle, and blast a few shots of air into the port. If that doesn’t work, there may be gunk in the port. Much of the time, this takes care of the problem by correctly tripping the sensor. The safest way to do that is to simply run a jack in and out of the port a few times. The solution is to force the sensor to do its job. That’s why you see Digital Out instead of internal Speakers. When you removed the jack, something in the port prevented the sensor from tripping correctly. The spirits tell me that there’s a very good chance that you recently had something jacked into this port-a set of headphones or a cable leading to powered speakers, for example. When you remove the jack completely, it should read Internal Speakers. If you insert a jack for digital audio output, the device changes to Digital Out.
When you insert a headphone jack, the sensor understands what's what and changes the sound output setting to Headphones. The background on the issue is that there’s a small sensor switch inside the headphone port.
Trick/Tip: Open up GarageBand if installed then, open a program (optional). Troubleshooting issues with no audio from built-in speakers on Macs You may have already tried some of the suggestions in the following:Ĭheck your settings in the Audio Midi app which is located in the Utilities folder.
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