The sound on my macbook pro does not work if I plug headphones in I can still hear but it will not project volume out loud and when I try to turn up the volume it is just greyed out what do I do ?

The sound on my macbook pro will not project anything if I plug in headphones I can hear but when I take them out and try and turn up the volue the speaker is grey and the bars under it are white with a no volume sign ( circle with a line through it) how do I fix this ?

Hopefully one of these steps should solve the problem.
1. System Preference > Sound > Output > Internal Speakers
    Highlight Internal Speakers
    Make sure that 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 PRAM. http://support.apple.com/kb/PH4405
4. 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".
5. 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.
6. System Preferences > Sound> Sound Effects
    Play sound effects through:
   Select "Internal speakers" and then back to "Selected sound output device".

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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.

The Sound On My MacBook Pro Isn't Working

The sound on my MacBook Pro is usually fine, but today it didn't work. For example, I tried listening to music on iTunes and watch videos but the volume wouldn't work at all. When I go to turn up the volume, it seems to turn up ok, but when I try to put on some music, it doesn't work at all. I then tried using my brother's Apple headphones on my MacBook Pro, and then the sound worked normally. I really would like this fixed so if someone could help me that would be great, because I don't want to keep using my brother's headphones just to watch a video or listen to music. Thank you to anyone who helps!

Hey
I did a NVRAM reset, and nothing happened. The sound stayed the same. Whats an audio output port, where can you find it, and where can you find the red light? When I try turning up the volume, instead of turning it up a cross sign appears under the speaker, thus no volume turns up. The menu bar right at the top of the screen - the speaker icon is not black, but more a very light grey.
Thanks for helping though!

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Assuming Mountain Lion did not install, you'll need to boot up from your Snow Leopard DVD (by holding down the C key while you reboot).
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The sound on my Macbook Pro isn't working at all. None of it.

The speakers don't work and neither do the headphones. When I turn up the volume, the icon comes up and it looks fine, but it's not making any noise. Like, it will show the animation and everything with no "not working" notification, but the little popping noise is just gone. I've been trying to watch a video for homewlrk all afternoon and it's been one thing after the next--I'm going cazy! Help!

Have you gone to System Preferences > Sound > Output and is the volume slider above the minimum end of the bar?

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does anybody know what happens if I dont update the firmware of my macbook pro (does not have a guid partition scheme)?

Apple will hire a high school girls clique to follow you around, make fun of you & post disparaging comments on Facebook .

The battery for my macbook pro 13 says "service battery". Now I want to get a replacement but the reviews for it are horrible! Does anybody have any suggestions?

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Why does it matter if it a scam????? I'll let you figure that out by yourself. If I'm going to replace it, why should I be contempt with a battery that I have to replace within months (as stated by some people in the comments). The issue here is not if I should or not replace it OBVIOUSLY I'm going to have to before it starts going crazy. The underlying issue is why is the replacement battery for a lack of better words " a bit crap." It comes with a 3 month guarantee?? Is that a joke?!??!?! Some people complained it malfunction after only 8- 9 months? I'm sorry but as an Apple fan I think it's absolutely rubbish. I know there is no magic cure I'm just hoping someone shines the light on how crappy this replacement is.

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.

I have an iPad 2 and the volume icon is in the middle of my screen and when i try to turn the volume down it just goes back up again and it makes it impossible for me to play games

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Have a iPhone 4 and I was trying to play my music out loud and when I tried it wouldent play. It said i still have headphones in it, but I don't. When I do put headphones in, the music does play!

I have a iPhone 4 and I was trying to play my music out loud and when I tried it wouldent play. It said i still have headphones in it, but I don't. When I do put headphones in, the music does play! I need help!

Try a hard reset:
Hold the home button and the sleep/wake button down at the same time. The phone will turn off and then the apple logo will appear. As soon as you see the apple logo release both buttons.
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The sound on my macbook pro does not work if I plug headphones in I can still hear but it will not project volume out loud and when I try to turn up the volume it is just greyed out what do I do ?

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