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Red light in headphone jack and no sound - Apple
https://discussions.apple.com/thread/3694502
Get a toothpick, insert it and gently turn the toothpick in a circular motion around the internal circumference of the jack until the light goes off. View answer in context ★ Helpful easterbun Level 1 (9 points) Feb 10, 2014 3:42 PM in response to dpeast12 The red light was on, I restarted my macbook, the light was gone but the sound didn't return.
MacBook speakers off, red light coming from the headphone jack
https://apple.stackexchange.com/questions/261282/macbook-speakers-off-red-light-coming-from-the-headphone-jack
The red light is probably because its a Mini-TOSLINK port. There is a metal prong in the jack and sometimes it can be bent, causing the digital audio to be turned on when it shouldn't be. . The problem is there is a switch in the jack that tells it if you have a mini headphone plug or an optical plug plugged into the headphone port.
SOLVED: Audio jack problem, no speaker sound, red light ...
https://www.ifixit.com/Answers/View/8797/Audio+jack+problem,+no+speaker+sound,+red+light
The red light in the headphone jack means that the MacBook Pro thinks that an optical audio cable is plugged into the port. Try unplugging and replugging a headphone plug into the port several times. There is a tiny sensor inside the port that determines whether the port operates in optical or analog mode.
SOLVED: My headphone jack glows with a red light - …
https://www.ifixit.com/Answers/View/59477/My+headphone+jack+glows+with+a+red+light
Your digital audio out has switched on. You can insert a plastic toothpick in the hole and try and switch it off. The switch should be at the 3 o'clock position and go towards the 6 o'clock position. Some people also have had luck inserting their headphone jack and pulling out …
Red light from audio jack - Mac-Forums
https://www.mac-forums.com/threads/red-light-from-audio-jack.142431/
Aluminium Macbook 13.3". Feb 21, 2009. #1. I have an aluminium macbook, i have put windows XP on it, everything was working fine, then i updated bootcamp to the 2.1 update on the apple website and since then i have had a red light coming from the audio jack, i have never had anything plugged in to it and now i have no sound at all.
Why is there a bright red light coming from my MacBook …
https://www.quora.com/Why-is-there-a-bright-red-light-coming-from-my-MacBook-Pros-headphone-jack
The MacBook Pro also supports Optical connections. As the name suggests, “Optical” refers to light. The red light is basically waiting for a matching signal from a cable inserted into the port. A little something extra Apple added for audiophiles that hardly anyone else uses. Upgrade to Quora+ to access this answer Millions more answer s like this
Red light in audio jack, no sound! Help! - MacRumors Forums
https://forums.macrumors.com/threads/red-light-in-audio-jack-no-sound-help.573822/
It sounds like it is jammed in optical audio out mode. There's a microswitch that turns the port on and off. Looking into the port, the switch is …
MacBook Pro 13 Audio FIX, Red Audio Light FIX ... - …
https://www.youtube.com/watch?v=XGi4CeNdr1U
Fix Audio jack problem, no speaker sound, red light - MacBook Pro 13Best and simple method to fix mac book pro sound issue and save your money.1. Plug 3.5mm ...
red light coming out of the audio output - Tom's Guide Forum
https://forums.tomsguide.com/threads/no-audio-red-light-coming-out-of-the-audio-output.259140/
10,510. 0. May 19, 2012. #5. JustAnotherNoob : I think your output is switched to digital/SPDIF mode. In this mode the audio card tries to send digital data through an optical cable (hence the red light). Usually this is a separate port, but some notebooks have this implemented through a shared port.
Macbook Pro - Sound doesn't work and there's a red light ...
https://superuser.com/questions/37777/macbook-pro-sound-doesnt-work-and-theres-a-red-light-coming-out-of-my-headph
The red light is probably because its a Mini-TOSLINK port. There is a metal prong in the jack and sometimes it can be bent, causing the digital audio to be turned on when it shouldn't be. . The problem is there is a switch in the jack that tells it if you have a mini headphone plug or an optical plug plugged into the headphone port.
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