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MacBook Pro Audio Stuck on Digital Out - iFixit Repair Guide
https://www.ifixit.com/Guide/MacBook+Pro+Audio+Stuck+on+Digital+Out/129645#:~:text=Wear%20a%20grounding%20band%20or%20at%20least%20ground,by%20a%20poor%20solder%20connection%20on%20the%20board.
Red light in headphone jack and no sound - Apple
https://discussions.apple.com/thread/3694502
1 Reboot your Mac (if you hear the 'ding' sond, then the speakers are physically OK) 2 If the problem still exists go to folder \Library\Preferences\Audio\ and delete the two files inside the folder. You should be asked to supply your account password to …
SOLVED: Audio jack problem, no speaker sound, red light ...
https://www.ifixit.com/Answers/View/8797/Audio+jack+problem,+no+speaker+sound,+red+light
MacBook Pro Audio Stuck on Digital Out - iFixit Repair Guide
https://www.ifixit.com/Guide/MacBook+Pro+Audio+Stuck+on+Digital+Out/129645
Macbook Pro Red Light/No audio Problem solved. - Mac-Forums
https://www.mac-forums.com/threads/macbook-pro-red-light-no-audio-problem-solved.36726/
After doing so, the headphone jack will not work as an audio output for either analog or optical, but the internal speakers will work fine. This is b/c the switch is basically bypassed, the macbook will never know whether there …
MacBook Pro 13 Audio FIX, Red Audio Light FIX 100% …
https://www.youtube.com/watch?v=XGi4CeNdr1U
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