Red light at headphone socket under Vista Ultimate

I plug headphone into Headphone socket but sound still comes out from speakers. I notice there is a red light in headphone socket. This problem only happens when I use Vista Ultimate by boot camp . In Leopard OS that's fine. Headphone works well. I search the website and someone said use toothpick to reset the socket, so I tried but no lucky. Can anyone help me? Is microsoft did it on purpose for our new switchers from Vista to OS? LOL
Pls help!Thanks in advance.

And the Cirrus Logic reply (had to edit it for privacy purposes):
Thank you for your note. Cirrus Logic as you know is an IC company, providing products for a wide variety of applications and customers. If you are experiencing any issue with a particular product, the path of recourse is to work directly with the manufacturer of the product.
Best regards,
The Cirrus Logic PR person
To: Subject: New Apple MacBook Pro with Cirrus Logic CS4206(AB75) chips...
Hello:
I found your e-mail address at your website and I hope that you can route this to the correct technical people at Cirrus Logic. I recently received an Apple MacBook Pro Mid 2009 model which is brand new to replace the Late 2008 model. It is possible to run Windows on the Mac using an Apple technology called "BootCamp". Apple supplies the drivers required by Windows for all of the hardware in the laptop including the sound drivers. On this model, the sound chip is supplied by Cirrus Logic and is a CS4206. The problem that I as well as many other Apple users with these new laptops who also run Windows is that our sound volume coming from the onboard speaker is not nearly as loud as when we are running Mac OSX with is the original operating system. There is also a red light coming from the headphone jack indicating that the optical output is always on. Apple has not acknowledged the problem so far: http://discussions.apple.com/thread.jspa?threadID=2037093&tstart=0.
Once again if you could please route this to the right people. There must be someone at Cirrus Logic with some knowledge of this.
Thanks.

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Red light from headphone socket

Can anyone explain why I can't hear audio and there's a red light from my headphone socket? Thanks.

It's been relatively common for the digital/analog switch inside the port to become stuck in the digital position. It's annoying, but can usually be unstuck either by repeatedly plugging in, jiggling around and unplugging a standard plug as Murat suggests, or by inserting something nonconductive (a wooden toothpick, or a Q-tip stem with the tip cut off it) and wiggling that around. Just keep trying — eventually it will probably work.

Macbook 2008 no audio from speakers - can't disable digital audio - red light in headphone jack

Looking for help with this problem, that seems like a lot of people had in the past and still have, but I see that a couple of discussions on it here have been archived. Too bad, as the problem continues.
I seem to be having the same problem with my late 2008 white 2.1Ghz Macbook.
I had used earphones a few times with movies and iTunes, with no problems. Now I've just rebooted to find that I have no audio from internal speakers (the boot up chime works though). Earphones work perfectly.
There is a constant red light in the earphone jack. The volume icon in the top menu bar is greyed out. In the Sound preference panel, Built-in Speakers are not available as an option for audio out. The only option is Digital Audio. If I connect earphones, then they are available as the only option.
I have tried all the various methods that people have recommended, to switch off digital audio through the earphone jack: trying to flip the little switch with a toothpick, paper clip, etc., as well as cleaning around inside the jack with a bit of rubbing or cleaning alcohol; also tried inserting and removing the earphones plug several times, while pushing the volume buttons on the keyboard. Nothing works.
I did get something from inserting/removing the earphone plug, as I seemed to be able to adjust volume from the keyboard, but I never got sound out from the speakers; the volume window seemed to indicate increase/decrease volume as I pressed the keys, but after a few seconds the volume window greyed out again with the No Entry symbol.
Trying to flip the digital audio switch in the jack occasionally gets the red light to turn off for a couple seconds, but then it comes back on.
Is there any particular problem with this that can't be solved by the aforementioned methods, that many people have used to solve it in a simple manner? Could my problem be more serious? Is there anything I could do if I opened up the Macbook, e.g., somehow to manually turn off the digital audio switch?
Any help greatly appreciated.

Got it fixed with a small flathead screwdriver with a fairly wide blade. Opened iTunes, started playing songs, had red light in headphone jack, as per usual with this problem.
Put screwdriver in jack, with blade more or less vertical, started moving it around inside of jack in clockwise motion, pressing pretty firmly. Took just a couple of "swirls" around the inside of the jack and then audio finally turned on! Was a bit of a hassle, but finally worked.
Many thanks to all for their suggestions.
P.S. re. advice not to use metal object. This was the only way I was finally able to solve the problem (i.e., using the small screwdriver). I didn't see where using a metal object would be a problem, seeing as the headphone plug itself is metal. Anyway, it worked.

No audio with 64 bit Vista Ultimate, red light in headphone jack

So I've been searching these forums for the last several hours, trying to find some helpful tidbit of knowledge to help me in this situation. I have whatever the latest version of bootcamp installed, and just did a full install of Windows Vista Ultimate (64 bit). With relative ease, I got everything working except for sound. With the generic driver off the Snow Leopard install disk, it tries to tell me it's working, but there is obviously no sound. The red light inside the headphone jack stays on all the time, and I have tried all the dumb tricks suggested for that issue too. I have unsuccessfully manually installed the latest realtek driver (2.28), and even tried both the 32 bit and the 64 bit. The 32 obviously does nothing, but with the 64 it tells me the device won't start, and shows that obnoxious yellow exclaimation point. Just trying to progress beyond this point so I can hear what I am trying to do in windows. Please help!

Same problem here. Daily I plug in speakers at the office, then rely on internal speakers while on the road/at home. I use old analogue speakers that go into the headphone jack.
I don't think i have any firewire audio out devices, but think i might put my hands on a USB one, so will try a varient of that trick.
tried the "wiggle the plug" solutions, but no luck.
I have to say, after something like 20+ years of using apple products (IIC was my first), my instinct here is that this is a software issue. People are getting sound out of a variety of devices (USB, Firewire, headphone plug) and the problem is intermittant but recurring. I don't wonder if it didn't start w/ the last iTunes update (to 4.9)? just a guess there. (although note that when i was fiddling w/ iTunes, the system speed and iTunes slowed way down.
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Topic: "Sound optical out/ Headphone"
and a very large one (which may conflate several problems) at
Topic: "Entire sound on PB is gone ! "

When on windows xp red light from headphone jack and low sound

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How do you disable "digital optical output" so the red light in headphone jack goes off and I can use the internal speakers?

HI,
I have a red light in my headphone jack and I see "correct responses" listed as "when digital output is enabled speakers are disabled." That's all well and good but doens't really help. HOW do you disable the "digital output," get the red light to turn off and be able to hear through the speakers? What's the SOLUTION to the problem. Sorry, just a bit frustrated. Any help is greatly appreciated.
Best,
dpeast12

Allegedly this can occur if there is a contaminant in the headphone jack that makes the computer believe there is an optical connection there, so it shuts off the internal speakers.
Try inserting and removing a headphone plug repeatedly. This ought to dislodge the junk, and seems to have fixed the problem for others. Hope it helps!

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If I'm listening to a song, watching a DVD, playing a game, whatever, as long as it involves sound it does this. What happens is, it'll be fine for up to a minute, and then it starts making this staticky skipping noise and losing the tracking on whatever it is I'm doing (game, song, DVD, etc.). This happens whether I've got headphones or speakers plugged in, or I'm using the laptop speakers. Also, a red light flashes from INSIDE the headphone jack with every staticky noise.
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if the red light is flashing at the output, it means that the computer is trying to output a digital optical signal.. which would explain why your audio is cutting in and out, cos it's flipping randomly between digital out and built in speaker, which means the speaker is being intermittently muted.
the reason for this is that the sensor in your audio output port is dodgy. this sensor is supposed to detect when you have a digital optical cable connected, and yours seems to just be going a bit nuts. fraid the only way to get it properly sorted is to take it in for a service.

BSOD running Skype Video Calls on a T61p under Vista Ultimate x64

Is anyone else experiencing BSOD crashes while running a Video Call on Skype on a T61p running under 64bit Vista?
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you might want to see this thread:
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Red light from headphone jack--- no speaker volume

I am sure that I have done something wrong
but I no longer have any external sound or control of sound for that matter
and there is often a red light shooting from my headphone jack.
what must I do to regain control of my sounds.
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The red light from your headphone jack is probably from the 'optical digital output'.
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HT2494 2012 MacBook Pro - no sound from internal speakers, red light in headphone port

Mid 2012 MacBook Pro 15".
I normally use external speakers plugged into headphone jack.
The other day I unplugged the external speakers and when I re-booted my Mac, I got the start up sound
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Some suggest using a paper clip to try to turn the light out, but I am not doing that.
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I have a genius bar appointment today at my local Apple retail store, and my mac is still on warranty but this
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I agree Nick - it is a concern especially on such a basic function (sound) - Linc is right, the issue is microswitch, sounds like a bad design or a huge batch of sub quality switches, checking the forums this issue is common on MBP's.
Judging by the date and lack of further activity I assume you managed to get yours fixed at the genius bar ?
I finally fixed mine myself but posting reply for others who have same issue as this - however buyer beware folks, try this at your own risk !!!
The fix won't be liked by Apple Support, the genius bar, or the repair shops but it worked for me after over 12 months of using headphones / external speakers - WHAT A PIA !
Method -
Held Macbookpro on it's side with screen open and headphone/ audio port facing toward ground.
Took WD40 can with straw dispenser and placed straw inside audio port - sprayed 3 or 4 one second burst of WD40 into port.
Held MBP that way for 30 seconds giving MBP a shake to drain WD40 out
(I performed this whole excercise outside where the WD40 could drain out without an issue ;-)
I then took an old set of headphones and re-inserted / removed them from the audio port approx 20 times in and out with music playing on the MBP - intially when inserted music will only come from headphones then eventually MBP internal speakers start working !
I've tried everything else including the cocktail stick and bent pin inserted inside the port to try and free micro switch - nothing worked it was stuck fast.
As stated, can't endorse this for anybody else - you do so at your own risk - just stating this is what I did to get mine working again !

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Hi there,
I had the red light incessantly shining in my headphone jack earlier after unplugging my headphones. The light has now switched off but I'm not getting any sound, even with the headphones in. It is IMPERATIVE that I have this laptop for work this week and can't afford an expensive repair. My applecare has just run out too...typical. Has this ever happened to anyone and how was it resolved?
Thanks.

The audio ports on most iMacs, MacBooks and Mac minis are both analog and digital ports and input/output is based on the type of plug you insert into the port. If you insert a standard metal stereo miniplug the input/output will be analog. If you use an optical fiber cable with an optical miniplug adapter the input/output will be digital.
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Dah•veed

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what do i need to do?

A toothpick.
Get a toothpick and wiggle it around in the audio out port until you 'flip' the switch for optical/digital out. The red light should go off and you should be able to select your internal speakers again for output.
Seriously. It's worked for hundreds of people.
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I have a problem with internal speakers. I searched forums and I think is a problema about the connector, the red light in headphone jack is on. I cannt hear from internal speakers sometimes and now it's allways. I need to plug a headphone or external spekaers to get sound.
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I couldn't find comprehensive solution for this. Could anyone please point me to the correct thread if solution is already available.
my details:
MBP 13" Snow leopard, 10.6.5 - First Gen. Unibody MAC.
problem: Very low volume when headphone is connected.
Things: I have tried:
1. Headphone is fine. Works correctly on windows PC and on my iphone.
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10. Also followed steps to clear PR RAM etc. - problem remains.
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I have the exact same problem. i have a macbook pro 13in (mid 2009) with extremely low volume coming from headphone jack. i brought the computer into my local apple store today and they diagnosed my problem as being the result of a faulty logic board. my laptop is out of warranty so they have to send it to the apple repair depot for 3-5 days. the charge is a flat $280 (tax not included). the solution seems extreme though and i hope i don't get any "kernel panicking" with a new board. i will update... also there is no accidental damge to my laptop whatsoever. the problem arrose 2-3wks ago

Red light at headphone socket under Vista Ultimate

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