Sound icon greyed out

Hello - this problem just started for me a couple days ago. I cannot tell what action causes it, but now restarting and resetting my PRAM settings does not fix it. I also tried a fix I read where I created a login item that resets the audio. I ALSO tried plugging in headphones. None of these are fixing the problem. I am running OSX Lion 10.7.4. Please help!

I do live in the US - I just havent been to an Apple store in a LONG time, ha ha.
I thought this problem had fixed itself, as it hadn't happened in a couple of days - but now has happened again. >:(
Any other ideas from anyone? I don't know how soon I will be able to go to an actual Apple store...
Edit: Now that I think about it, this seems to happen after I watch something with Quiktime. For some reason all my videos began trying to open with Mocha, which didn't work. When I would tell them to open with Quicktime, they would play fine, but after I was done would have a grey sound icon. I was using QT last night for the first time since this post and this morning is the first time it has happened again...

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HT2341 why does my sound icon grey out and doesn't allow me to make changes on the system settings

why does my sound icon grey out and doesn't allow me to make changes on the system settings

When you go to System Preferences > Sound what does it say for Output? Have you had headphones plugged in? Sometimes the headphone jack gets stuck thinking it has something plugged in when there isn't anaything there. SMC also has something to do with Sound:
SMC RESET
http://support.apple.com/kb/HT3964
Shut down the computer.
Unplug the computer's power cord and ALL peripherals.
Wait 15 seconds.
Attach the computers power cable.
Wait another 5 seconds and press the power button to turn on the computer.
The 5 second timing is important to a successful reset.

Sound Icon Greyed Out - Midi AutoAggDevice auto-created

Whenever I restart my computer or log out/back in, the sound icon in the menu bar is greyed out. When I check the sound preferences in system preferences, it says that the output is: "AutoAggDevice". I gain back control after selecting "Internal Speakers". I have tried setting them as my default, but it always defaults to "AutoAggDevice".
I have gone into the MIDI preferences (Audio Midi Setup) and there are many extra devices, but when I try and remove them, they come right back after a restart. I wouldn't mind if it wasn't affecting my default output, but it is getting really frustrating.
I have also run a repair disk permissions to no avail.
Does anyone know how to permanently delete these auto-created midi devices or at least get the default audio setting to stay as internal speakers?
Thanks.
MBP, 13 inch Retina, Late 2013 model
OS X 10.10.2
2.4 GHz Intel Core i5
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Resetting PRAM may help.
Reset PRAM. http://support.apple.com/kb/PH14222

Lost audio, no sound, icon greyed out

I've got a 2010 MacAir that was upgraded to Lion about 6 months ago, all was working well, except in the last week the Audio went out, The Sound Icon is greyed out and the Volume slider doesn't move. When I go to System Preferences/Sound the mute box is checked. Any input on how to repair? Thanks

Just to finish this (lame) thread:
Took the computer to the Genius Bar. Needed a logic bar replacement. Fortunately, have Apple Care, or whatever it's called.

Camera Icon greyed out in PS forums!

Camera Icon greyed out in PS forums!
What gives?

John Joslin wrote:
Camera Icon greyed out in PS forums!
What gives?
I am not sure but unless the item is not phrased as a question, or does not have question in the Content it doesn not become active. I have seen this several times. And its always appeared for me when the person was just declaring a statement. and not asking anything.

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Re: Creative Cloud icon grayed out in menu bar.
Please follow the mentioned steps:
1. Navigate to Library/Application Support/Adobe/OOBE and rename it to OOBE.old
2. Enable root account: http://support.apple.com/kb/ht1528 and log on to root
3. Disable any security software if installed on Mac
4.Delete opm.db file located at :MAC : ~/Library/Application Support/Adobe
(opm.db file is present in your user library.This library is hidden from MAC 10.7 onwards.
So in order to locate that,
Click on Go at the top
Select Go to folder
type ~/library/
This will take you to the library folder and then you can locate opm.db file at Application Support/Adobe)
5. Download CC desktop from www.creative.adobe.com and try to install it. Incase you are not successfull then please Check the Activity Monitor and see if AAM process is running, if yes then try to kill the process.opm.db file needs to be deleted in order to process further. WIN 7 and 8 (64 bit):
Rename OOBE to OOBE_old located at C:\Program Files (x86)\Common Files\Adobe
Relaunch the Browser
Go to https://creative.adobe.com/products/creative-cloud
Sign in with Adobe ID and password and download CC desktop app.
http://forums.adobe.com/message/5466160
These steps might help you.
Regards
Rajshree

Facetime icon greyed out in contact list

I am runing 10.10.1 for my iMac and have the latest software on my Iphone 6. The contact I would like to use FaceTime is in China and uses a iPhone 5. My computer contact list shows the Facetime icon greyed out. The same contact in my iphone has no indication of a Facetime option. I have checked my settings for both messages and FaceTime. I have used messages to communicate with this person.
Why can I not use FaceTime?
Thanks,
Brad

I would guess that something on your contact's end is the issue - can this person make Facetime calls to anyone?
~Lyssa

Speakers suddenly stop working. Icon greyed out?!

Hi all.
I started my laptop this morning to find that the speakers don't appear to be working. For no reason whatsoever. They were working last night. And now they're not.
I press the volume up, down and mute buttons and it does nothing. The 'overlay' comes onto the screen showing like it has max volume, but with a circle/cross underneath (imagine a no smoking sign).
In the top menu bar, the sound icon is there but it's greyed out so I can't do anything.
Anybody help me please?!?

the same thing happened to me. I closed my laptop to take it upstairs to work some more and when I opened back up the sound icon was greyed out. I tried plugging in speakers and a headset and they work fine. I think that it is probably the logic board but I read here : http://discussions.info.apple.com/thread.jspa?threadID=2244270 that it could just be the internal switch. I have a late 2008 model and the post seemed to mention models of that date. Let me know if you figure this out.

Speaker icon greyed out

Hi,
Bought a new iMac today. OS X Yosemite 10.10.2
I migrated my data from my old iMac, no problems.
Now I try to listen to my music on iTunes.
I can't control the sound, speaker icon in the menu bar is greyed out.
When I use the speaker up or down buttons on the keyboard, a speaker icon appears but nothing happens
Can anyone help me?

You can return a new Mac within 14 days of purchase.
Return it and get another one.
A new Mac is in warranty for 1 year from the date of purchase.
A new Mac comes with 90 days of free tech support from AppleCare.
AppleCare: 1-800-275-2273
Call AppleCare.
Best.

TS1574 Hi, I dont have sound on my imac. The options in sound are greyed out and there is nothing in the output list

itunes and you tube are not working. There is no sound. When I am in itunes and play a song, the song does not start.
I checked system preferences, sound. There is no output options and the input options are greyed out.
Does anyone know how to fix this problem?
Thanks

Go step by step and test.
1. System Preference > Sound > Output > Internal Speakers
    Highlight Internal Speakers.
    Make sure that Mute is not enabled.
2.Plug in and 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.

"Motion 4" icon greyed out after upgrading to Yosemite - Did Yosemite break "Motion 4" in Final Cut Studio?

Against my better judgement (now that Apple has turned into Microsoft 10 years ago, breaking apps with every OS update, followed by radio silence from Apple, pretending like they didn't do anything), I just upgraded from Mountain Lion to Yosemite and noticed that my Motion 4 icon is now greyed out. Thanks Apple.
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I installed all from Scratch to make sure its not some old stuff that I carried on during migration.
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I have an iMac (20 inch; early 2009) running Lion and use an Airport Extreme as my router. The Airport Extreme is connected to my computer and all others in the home connect through it wirelessly.
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Then try to connect and see if it is working correctly.
Problems like this can be hard to separate router issues from iPad issues until you try several things on each.

Time Machine drive icon greyed out in Disk utility

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Disconnect the drive and reconnect it. Any change? If not, test it with another Mac.

Sound icon greyed out

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