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Apple Notebooks Apple's notebook computers including MacBook Pro, MacBook, MacBook Air, PowerBook, and iBook.

Macbook - Help! No sound!


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WarriorofElyon

 
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Alright, so I am a Mac newbie. I am learning but I have run into a problem. I have no sound anymore! I went to the sound options and it says "Digital Out" and for the port it says "Built-in Output" but it will not display the settings. It just says that the selected device has no output controls. It will not let me change the volume through the keyboard and on the Mac through the options. If I plug in headphones it works just fine. So, what should I do to fix my internal speakers?
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Stretch

 
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Go to your sound settings, and change it back to built in audio. I think that should solve it, unless something else is wrong.

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WarriorofElyon

 
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That is not an option. That is my problem.
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MacHeadCase
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This question was also posted this morning in another thread: http://www.mac-forums.com/forums/showthread.php?t=57698
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WarriorofElyon

 
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That is not quite my problem. I have no sound from my internal speakers at all.
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MacHeadCase
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Try the workaround that is linked in my post in that thread.

That workaround probably doesn't stick to the other question but it does with yours.
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WarriorofElyon

 
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I tried all of it and it did not work. Should it say "Digital Out Built-in Output"?
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Stretch

 
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Should look like this
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WarriorofElyon

 
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And if it doesn't say that?
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Murlyn

 
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Could you give us a snapshot of what it does say and look like? Did you try the midi thing that MacHeadCase is talking about? Everytime I have had missing sound it was due to a game that changed the Hz and once I did the Midi fix everything worked again.. I've had to do it a couple of times.

1. Applications > Utilities > Audio MIDI Setup
2. Audio Devices: Set everything to Built-in Audio
3. Audio Input: Source: Internal microphone - Format: 44100.0 Hz (2ch-16bit)
4. Audio Output: Source: internal speakers - Format: 44100.0 Hz (2ch-16bit)

That usually solves the problem.
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karlthebug

 
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The problem being describe on this thread...I am having the exact same problem and it showed up sometime in the last few weeks. Basically it appears as if the "Built-in Audio" driver has just ceased to exist. The only option is the Digital out which has no controls.

I've seen the Audio/MIDI suggestion on a few other forums and that does not work because as the poster points out, the panel simply says that output is not supported.

I have only found a few other people who have this same problem online, but no evidence that anyone has ever solved it.
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jonnycrimson

 
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I have the same problem...
After receieving a replacement unit from Apple. Right out of the box the same problem has occured. Does any one have any advice?
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dtravis7

 
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Look in the audio out jack on your Mac. Do you see a Red Light down the hole? If so it's stuck in Digital mode. I do remember a few people with no sound on early intel macs and they always saw the red light in the jack. Will search and see if I can find the threads. I am pretty sure someone solved it.


Edit, Read this thread. Two things came up, one try resetting the PRAM and try the other suggestion at the bottom of the 2nd page of this url.

No Sound

Here is a URL on how to reset the PRAM. Can't hurt to try it.
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jonnycrimson

 
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yes, there is a red light... The same optical light when running xp in boot camp. I have already tried to reset the PRAM twice and no results...
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dtravis7

 
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Quote:
Originally Posted by jonnycrimson View Post
yes, there is a red light... The same optical light when running xp in boot camp. I have already tried to reset the PRAM twice and no results...

The other URL I posted did now show up when I saved.

Macbook Pro Red Light/No audio Problem solved.

Try this. It's a long shot but worked for him.
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