Built in MacBook speakers do not work

My digital out only lists microphone out. My headphones are not plugged in during this screenshot below. When my headphones are plugged in they work and I have volume control. When I unplug them, the volume stuff has the "no sign" so my laptop speakers are not able to produce audio. Anybody that has a fix for it I would appreciate.
Thanks,
Adam

I was just about to ask if you can see a red glow in the audio out port. Most people can correct this by inserting a headphone plug into the port and GENTLY wiggling it in the horizontal plane:
Background, or "why this happens": the audio-out port on a modern Mac is digital and is held to high dimensional standards. Most headphones have an analog plug not made to such standards. The specific issue is the the "tip-to-stop shoulder" distance on many analog plugs is just a bit longer than on a digital one and jams the "mute" contact inside the port in the muted position, triggering the red light
The best action is prevention. When connecting headphones (or external speakers), put on the headphones and have an audio track running BEFORE you insert the plug. Insert the plug slowly, listening for sound on both channels and, when you hear it, STOP INSERTING.
Bottom line is you do NOT want to insert any random plug "to the hilt" until you know it is dimensioned to fit a digital port.
My MacBook Pro has the same jack. I have a pair of decent-quality, name-brand headphones and their plug is not to spec. This picture shows their plug in the port at a position that delivers proper sound and does not let the plug fall out:
Note that the shoulder is about 1/16-inch from contacting the computer case. It is secure in this position.
Every plug is different. I have a pair of El Cheapo external speakers I picked up for US$2 at a yard sale and their plug fits perfectly on my Macs with a digital audio port. Go figure!

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Macbook Pro 17" - My built in speakers are not working.

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My built in speakers are not working.
The speaker logo is not highlighted (grey not Black) and when in sound options "output" pane only displays the digital out for 'optical' - ie, the internal speakers dont register (headphone socket works)
Any ideas?

1. If red light is visible in the headphone port, plug the headphone into and out of the port 5 or 6 times
     to flip the microswitch inside the port. Hopefully that will make the mode revert back to analog from digital.
2. Reset PRAM. http://support.apple.com/kb/PH4405
3. Reset SMC.   http://support.apple.com/kb/HT3964
     Choose the appropriate method.
Hope any one of these steps helps.

My MacBook Pro internal speakers are not working, what happened?

My MacBook Pro internal speakers are not working, what happened? If I plug in earbuds or external speakers, there is sound. In sound preferences, internal speakers are not a choice. Why doesn't my internal speakers work?

Hopefully one of these steps should solve the problem.
1. Remove the headphone.
    If you see red light in the headphone port, plug the headphone
    in and out of the port 5 or 6 times to flip the microswitch inside.
    Sound output may be stuck in the digital mode.
2. Reset PRAM. http://support.apple.com/kb/PH4405
3. Reset SMC.     http://support.apple.com/kb/HT3964
    Choose the method for:
    "Resetting SMC on portables with a battery you should not remove on your own".
4. Applications > Utilities > Audio MIDI Setup
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    Side Bar
    Click the Built-in Output.
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Best.

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Yuu can try to reactivate your iSight camera by opening up iMessage.. navigate to Preferences/Audio Video,and then click on Camera. IT shoudl be grayed-out if you only have one camera hooked up to your machine. If you have an external camera, then disconnect it from your machine.

Speakers in MacBook Pro do not work.

This morning, the speakers on my MacBook Pro (Early '09) stopped working, but the machine transmits through the headphone jack just fine. I've done a PRAM reset, and that hasn't fixed it. Anyone have a suggestion?

Hello,
I am having the same issue...internal speakers are not working on my MacBook Pro (purchased Aug 09). I tried a PRAM restart and I've tried putting the headphone jack in and out several times, as well as wiggling around a toothpick in the port. None of that seems to have worked. There was a red light emitted from the port a little while ago but now it's gone.
Any ideas?
Thank you!

The internal speakers are not working on my macbook pro

the internal speakers are not working on my macbook pro

Are they selected under System Preferences>Sound? Or do you see something such as "Digital Output" listed instead of "Internal Speakers"?
It may be that your digital out switch is 'stuck.' This usually happens after using headphones and you can usually see a red light coming from the audio out port. You can 'fix' this by plugging and unplugging a headphone jack repeatedly until the switch is reset.
Clinton

The sound on my macbook pro is not working

The sound on my macbook pro is not working. When I increase the sound, the icon appears as if everything is working, but no sound comes from the speakers. Earphones don't work either. I have tried a PRAM reset but at times, this doesn't even work. It's really frustrating having to restart my computer every time I want the sound to work, and even when I do that, theres a 50 50 chance of it working again. It generally happens after my laptop goes to sleep and I wake it up. Has anyone else had this problem and fixed it or even know what caused it?
There are a lot of discussions around the earphone jack but I have checked that. I've tried a PRAM reset which hasn't worked, and my sound output is set to Internal speakers.
HELP!!

Hopefully one of these steps should solve the problem.
1. System Preference > Sound > Output > Internal Speakers
    Highlight Internal Speakers / Headphones
    Make sure Mute is not enabled.
2. Remove the headphone.
    If you see red light in the headphone port, plug the headphone
    in and out of the port 5 or 6 times to flip the microswitch inside.
    Sound output may be stuck in the digital mode.
3. Reset SMC.     http://support.apple.com/kb/HT3964
    Choose the method for:
    "Resetting SMC on portables with a battery you should not remove on your own".
4. Applications > Utilities > Audio MIDI Setup
    Audio Devices window
    Side Bar
    Click the Built-in Output.
    Under Mute any of the boxes checked? If so, uncheck it.

The sound on my Macbook Pro does not work.

The sound on my Macbook Pro does not work. When we press the volume buttons, the sound icon pops up, but the bar is full with a small "Does not work" circle below it, and nothing happens when I hit volume up or done. I went into system preferences, but there aren't any options there that I can see to change it.

"Unfortunately, it doesn't provide any help for a MacBook Pro, other than indicating to call Apple Support" (sic).
Au contraire. TS1574's title and affected products are thusly:
"Troubleshooting issues with no audio from built-in speakers on Macs
Products Affected Mac mini, MacBook, MacBook Pro, iMac"
As a result, the instructions of the article are relevant. To be sure, follow those steps, the last of which is to contact Apple.
So, by way of reminder, here are the steps to troubleshoot the audio on your MacBook Pro. There is no red light, so the port is likely fine. Headphones work, so clearly your sound card is fine.
1. Ensure an incorrect version of OS X is not installed. If one is, then reinstall or erase/install after backing up your data.
2. Remove any external audio devices from USB, firewire, etc.
3. Open Sys Prefs > Sound > Output
If Internal Speakers is listed, select it and test again.
If Digital Out is listed, confirm again that all external audio devices and cables have been removed.
If mute is selected, unselect it.
If the volume slider is low, raise the volume.
If the above simply doesn't fix it, the issue may be a corrupted plist. Apple Support might be able to help troubleshoot the issue further, per the last step of TS1574.
I hope it gets resolved for you. Good luck.

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babybella03 wrote:
it worked bout a week and a half to take a picture on myspeace and i tried to see my friends on msn on the webcam and bnothing i cant see my self at all they can only hear me it says configure camera or something like that and something bout quiting an application and my friends see a greenline what can i do guys
Welcome to Discussions, babybella03
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http://support.apple.com/kb/HT2090
(2) If your iSight problem occurs in more than one app and more than one user account, the reset suggested there often restores proper function of inbuilt iSight.
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(4) If your iSight is working with Apple's apps but you are still having difficulty with a video-enabled website (like "myspace") while no other apps are using iSight, your browswer's Flash plug-in settings may need to be configured to allow your iSight to function with there.
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• You should also click the privacy icon and verify that the "Allow" button is selected. If "Deny" is selected, you will not be able to send or recored video or audio.
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Output speakers do not work, have a red light coming out of my headph. jack

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@Spencer
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Hello,
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GM1977 wrote:
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(1) Be certain that all third-party software you have added is compatible with OS X 10.6.2. Uninstall any that cannot be updated for compatibility and test to see if your problem remains.
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Please take the Mac to Apple store to have it checked out.
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http://www.apple.com/retail/geniusbar/
Best.

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Built in MacBook speakers do not work

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