No Audio Output or Internal Speakers

Just this weekend my computer suddenly stopped emitting any sound. I can change the volume levels but there are no "chirping" sounds when I change it. I have no sound when I restart my computer, I fiddled with the audio output jack to see if it was the switch, but nothing happened.
My computer thinks it has sound. Sometimes when I try to have it make sound it will make a small pop sound. Other than that, nothing at all.

I'm having the same sort of troubles. I checked the Sound pane in Preferences, and that fixed it once, where under Output it was set incorrectly.
But since then, I've been having trouble even doing that: It's stopped detecting if I have headphones plugged in, and says only "Internal Speakers". Under that, instead of controls, it says "The selected device has no output controls".
So what have I ended up doing? I noticed that AirPhones worked (software-based, forwards over wifi to your iPhone, sounds like a 96kbps MP3 at times) -- occasionally as what I assume is a side-effect of this problem, iTunes stops playing and stays at 0:00 even when the Play button changes to Pause -- So given that another sound option worked, I decided I'd plug in my Creative E-MU 0404 to use as an external sound card. And the sound is perfect.
I'd suggest anyone having troubles with their Mac's sound card to add a new one. Unfortunately, you'll need to skip any PCIe Creative sound cards, and even likely most of the X-Fi series, as the USB ones I looked at don't support Mac. The best thing to get, it looks like, is the Creative Xmod. It has Mac, Linux and Windows compatibility, and will work with a power adapter with any MP3 player. It will sound AMAZING, I promise. My dad has one, actually.
Those looking for excuses to use XLR mics or MIDI in Garageband, grab something like the Creative EMU 0404 if you're made of money (sigh) or if you have Firewire for extra XLR inputs, pay the extra. (It's worth it for the flexibility. I'd rather have 8 channels for 3 times the price than the 2 channels I have now. Live and learn.)
Of course, Creative isn't the only option out there, you can also take a look at M-Audio, or if you don't care about sound quality (I'm only assuming here), even Griffin iMic: http://www.griffintechnology.com/products/imic

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Reset PRAM. http://support.apple.com/kb/PH18761
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Audio port and internal speakers issue

My audio port and internal speakers are not working when playing and/or streaming audio. I'm assuming it's a software issue considering it has happened straight after downloading OS X.
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It often is helpful to know what EXACT model MBP one is dealing with.
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Have you opened System Preferences>Sound and checked the settings?
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No audio out on internal speakers or headphones from external device

I'm using an intel iMac 17" I tried to plug in an external cassette deck, and listen to it through the internal speakers. Even though all system prefs for audio work as expected, and I can see the audio meters on screen operating, nothing will induce it to play sound either through the internal speakers, or headphones.
The audio is certainly going in there, as it recorded perfectly in iMovie. The internal speakers work perfectly for alerts, iTunes, the web, everything. But no external device will work.
I've tried an iPod, a microphone, and a cassette deck, all with the same result. I've launched Garage Band as this can upset the midi player, but it's fine. I've visually checked the settings, no problem.
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Quicksilver G4 Mac OS X (10.4.9) Programmes in regular use are Freehand, Photoshop, Freeway, Keynote, iMovie, iDV

Hello David,
Thanks for the pointer. I looked at the website for Linein, and I already have Audio Hijack pro installed, which contains this application. When I ask AH to record the system audio, the volume meters are dead, I hear nothing, and record nothing - unlike iMovie.
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"Peggle" audio comes out internal speakers instead of externals

Here's a weird one- last week I was working between my mac pro and a mac mini I had bought and was configuring for a friend. I borrowed the internet, mouse/keyboard, speakers, and one monitor from my dual monitor set up on the mac pro tower in order to configure the mac mini. While it was doing software update, I borrowed the keyboard and mouse, came back over to the mac pro, and played some Peggle- popcap games' wonderfully addictive arcade game. Since there were no external speakers, audio was temporarily routed to the internals on the mac pro.
When all was said and done with the mac mini, I reconnected everything, and for some reason, the music from peggle still plays out of the internal speakers. everything else on my computer: warning noises, the audio buttons, audio from other programs, even the SFX audio from peggle play through the line out on the back of the computer, but the music audio plays through the internals.
I went into system preferences --> audio and made sure everything was set to audio line out, and I deleted and reinstalled peggle, losing all my progress in the game, but still when i reinstalled it, same issue. If, however, I route all the audio through the audio headphone jack on the front of the computer, i can get music and sfx to come out of my external speakers, but as soon as I go back to the rear output, peggle's music goes right back to internal speakers.
I contacted popcap games, and they basically told me to delete everything peggle- system folders and all, and reinstall. I did that, but am having the same issue. Any ideas? anyone experience something similar? Help!!!

I can't speak to the specific case of Peggle, but you will want to make sure to delete any preference files associated with the game. Check in the /Users/your name/Library/Preferences folder for any files which contain the names "peggle" or "popcap", and delete any such files.You will, of course, lose any saved data associated with the games.

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Hi Giraut,
I don't have such a device to check, nor even external speakers, but I suspect this invisible file is corrupted, I'd drag it to the desktop and see if you can set it again...
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I have lost the sound on my HP 620 laptop. In the Audio control and device manager everything looks fine: drivers are visible and it's stated "This device is working correctly". I can see the green gauge in the Volume control moving when I test audio, BUT nothing comes out of the internal speakers.
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Hello MW55, welcome back to the thread!
I was speaking with Joe_Thompson specifically. However, that was only because you hadn't responded to the thread in a while. I can still certainly try to help you as well!
Microsoft has an online tool for diagnosing audio problems. I suggest you first try that utility to see if it is able to affect your issue. Here is a link to the utility.
How long exactly has your problem been going on? A good next step to take would be to try and perform a Microsoft System Restore. This will refresh your computer back to a time before the issue began (if you have a date prior to the issue available). This article has instructions for performing a System Restore.
Let me know the results and have a great day!
Please click the white star under my name to give me Kudos as a way to say "Thanks!"
Click the "Accept as Solution" button if I resolve your issue.

Audio jack and internal speakers not working!

So my internal speakers no onger work and when I put in my Apple iPhone earphones there is a high pitched sound and they become very hot to the touch. This happened when they were in my ear, not cool. I love my computer and I would hate to give it up for a German keyboard (I bought my computer in NYC and now I live in Switzerland) or not having it for an extended period of time. Comments? Suggestions? Help? Scheisse!

hi neuroanatomist,
thx for your suggestion
I read about it, but it doesn't really work for me (or maybe I wasn't able to have it work)
So there is no actual fix to this?

T520 audio output to external speakers

I am trying to connect my new T520 to the external speakers I had used with my deceased desktop, and I don`t want to cause any damage!
The speakers (subwoofer and 2 small speakers) were connected to a lime green jack on my desktop. My question: can I use the earphone jack of the Lenovo for that connection ? I assume so, just want to make sure...
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Solved!
Go to Solution.

Yes. You can plug the green speaker plug into the headphone/audio out jack. It will work fine.
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Let us know if you have any other issues.
Did you find a post awesome? A great response? Kudo them!
Did the post you read answer your question? Did someone help you figure out your problem? Hit Solution Provided and give that person a 'thank you' for helping you out!

HP 2000 laptop audio stopped working- internal speakers and headphone jack

FOr the past few days the audio/speakers to my laptop have been going off, and then back on after a bit.Today I was in the middle of watching amovie when it stopped again, and everything Ive tried so far hasn't worked (going to restart netxt) . I tried plugging in my earbuds but the audio jack isn't working. Im also getting the Smos 502 error, and Im not sure if they're connected. I have the HP 2000 model C2N25UA#ABA

I was wrong - I did upgrade to a 3 yr warranty (had forgotten about this) so hopefully it's covered!
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Hellooo!
So basically my internal speakers in my mid-2009 Macbook pro are not working. When i try and change the volume i am getting the greyed out speaker symbol. Strangely, when a pair of headphones are plugged into the audio port and set to 'audio input' the internal speakers show up in system prefs, and the sound start working! When the headphones are removed it reverts back to not working again. I'm not getting the red light in the audio port.
This must be a software problem as they physically work when headphones are plugged in and i can hear the chime on startup.
I have tried repairing disk permissions, resetting the PRAM/NVRAM, re-installing OSX and the whole toothpick in the audio port thing.
I dont really want to have to take it to apple but I dont have any options left. My mac is pretty old, so i dont feel it is worth spending loads of money on it should the motherboard need replacing or anything similarly costly.
Has anyone else had similar problems, or a solution?

One more suggestion.
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No internal speakers | digital output only | red light from audio jack

I plugged in a stereo through analogue mini jack to the headphone socket of my mac book pro. When i unplugged the stereo, the internal speakers failed to work. There is now a red light coming from the jack as if a "digital output" is plugged into the socket. But no digital output has ever been plugged into the socket - and I have no control of mute or volume settings.
When I plug headphones in, they work fine and I have control of mute and volume settings. Once the headphones are removed I am automatically set back to "digital output" with no control over mute or volume, and no audio from m internal speakers.
I have tried changing the settings in system preferences/sound/settings/output ... but there is no option other than "digital output". I suppose I would like to select "internal speakers" but there is no option for this. And like I stated earlier, the jack is lit up red.
I've tried software updates, restarts, disk utilities (permissions and repairs including repairing with the startup disk), plugging and unplugging, but to no avail.
When I try to change the volume on the keyboard's volume controls I get the "no entry" sign under the volume bar and have no control (as if it were stuck on mute).
The only thing I can think of is that I forced a mini jack into the headphone socket too hard so I'm worried that I've damaged the hardware.
Could this have caused the problem? Or is this a software issue? Any help would be appreciated.
In short I have no sound from the internal speakers.

Same here. I don't remember doing anything out of the ordinary. I was working in Parallels on getting a AM station to stream via some web interface. Next time I went to play sound on the internal speakers, no go.
I've tried zapping the PRAM, toggling the headphone jack and the toothpick thing. Nothing seems to work.
I've also noticed that I get sound in my headphones in iTunes but not in Garageband (someone had suggested that starting up Garageband would reset things.
Any other ideas out there?
Is there a file that could get corrupted that I could switch out of my back up?

Reroute internal speaker output to external speakers

I have at least two games that output their sound only through the internal speakers. I wrote to their customer service and they only had the suggestion of using the headphone jack. This is confirmed to be working, but it's not ideal.
I've tried the built-in sound menu, SoundSource, JackPilot, and RogueAmoeba's LineIn to try to reroute the sound. I clearly don't understand how the audio is being sent from app to computer. But I am vaguely aware that Macs have some restrictions on crossing the in-to-out barrier. The programs mentioned are all aimed at that problem, not my problem of sending audio from the internal speakers to the external speakers.
I could connect a second set of speakers to the headphone jack. But, my crazy idea is to hook the headphone jack directly to the audio-in. There's no way that could work, right? My Mac Pro would blow up, yes? (Seriously, wouldn't that create a short and the heaviest paper-weight ever?)
Any other ideas? How is this so difficult?
thanks
jason.

Um. To be clear, I was suggesting that I might run the headphone line directly back to the sound card, which would be amplified by the sound card and the external speakers (they plug into the wall and amplify as well). I was just afraid doing that would fry the system.
I don't exactly want to plug the externals into the headphone jack...
But for fun I tried it. Since the speakers are actually amp'ed, I'm getting kind of an insane amount of output from BOTH iTunes and the game through the headphone jack directly into the speakers. I guess I sort of solved the issue?
I mean, I still don't get why I can't go from the App to the Line-out, just like every other App.
(Maybe I'll invest in a small amp/splitter.)
jason.
ps. Crap, I seriously didn't mean to give myself the 5 points. Grr. Stupid site.
Message was edited by: SleepyJay

No Audio Output or Internal Speakers

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