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This just started happening recently. When I plug my headphones in, I get full high fidelity volume for a fraction of a second and then it becomes significantly muted.

I've checked "Sound" in Preferences to ensure that I've not reduced my system volume.

Any other ideas on what might be causing this?

UPDATE:

  • Tried restarting (multiple times)
  • Tried resetting NVRAM to no avail

System Specs: MBP 15" Mid-2014 on Yosemite

  • Ever find a solution? – Micrified Feb 10 '16 at 21:24
  • nope, not yet, please let me know if you did! – K - Feb 15 '16 at 4:16
1

I waited a couple of days and randomly I tried playing a video and the sound worked perfectly fine. I would just try waiting a couple of days like I did.

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