Internal speakers won't stay muted

Help! Can anyone provide a clue why the internal speakers on my 20" iMac are turning themselves back on whenever I restart my system, even after I muted them prior to the last shutdown?
Whenever it happens, I get a fairly thunderous startup chime. Plus, the chime is coming from the internal speakers even though I have a set of external speakers plugged into the iMac.
Any suggestions or troubleshooting tips would be greatly appreciated!

Hi, after the last update did you Repair Permissions? (usually it's a good idea to RP before & after updates) after RP I would reboot then reset your Sounds to your requirements. Also try resetting the Midi settings...L

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Headphones Not Recognized When Plugged in, Internal Speakers Won't Mute

Hi all, I've scoured these message boards looking for a solution to this problem, but couldn't find a solution that worked. Hopefully someone can!
Toshiba Satellite C655-S5312
Edition: Windows 7 Home Premium, Service Pack 1
Processor: Intel(R) Pentium (R) CPU B950@ 2.10GHZ
Installed Memory: 4.00 GB
System Type: 64-bit Operating System
The problem I'm having is that my computer won't recognize my headphones or any other external audio device when I plug them in. The internal speakers continue to play no matter what. I used the jack fine one night and the next morning it wasn't working. I've checked these external devices with other computers and they work fine. My computer is just over a year old and no longer under warranty, but I can't imagine it being a hardware issue after such a short time of use. I had this problem before right after I got my computer back from a repair shop. Turns out the guy didn't reinstall my drivers. Now, when I tried to follow those same steps, I'm getting nowhere. I can say that I noticed that the available drivers on the Toshiba website have changed. Before it was RealTek and now, after updates, it' was SmartAudioHD and now High Definition Audio Device. I don't know if that bears any significance, but I thought I'd include that anyway. I've tried uninstalling the driver, but everytime I restart my computer it's there under Audio Device Manager. Tech Support said that my comp automatically adds the driver so I'll never really get rid of it. Does that make sense?
Troubleshooting steps so far:
1.) Uninstall and reinstall drivers (restarted my computer after)
2.) Control Panel---> Device Manager---> Sound, Video Games and Game Controllers---> High Definition Audio Device (was SmartAudio before updating driver during troubleshooting)---->right click and "Enable" is checked
3.) Control Panel---> Sound---> Playback Tab (in Sound Dialog Box)---> Speakers (HDAD) green check mark but Headphones (HDAD) red downward arrow and "Not Plugged In" (Can enable or test because it's not detected)
Am I missing a driver? Am I missing a vital step? Please someone help me!
Solved!
Go to Solution.

If you are using Windows 7, go into control panel click on sounds and make headphones default. When you are not using your headphones you will have to do this procedure again to restore speakers on the laptop or computer. I am using Microsoft Gaming Headphones and had to do this because my toshiba laptop did not recognize it was plugged into the USB port. I have no problems with the plain speaker headphones only the ones that plug into the usb port.
Attachments:
headphones.JPG ‏74 KB

HP pavilion dv7 microphone won't stay muted on reboot

I have a HP Pavilion DV7 P/N-A1L97AV with Windows 7 Ultimate 64-bit. I am having a problem with both the integrated microphone array and external microphone not staying muted when I reboot the computer. I can mute system sounds and reboot that is still muted when I reboot, but not the microphones. The only way to keep them muted is to mute all. The reason this is a problem is that when I reboot, if I forgot to turn sound down I get feedback until I can mute the microphone. I have not been able to figure out what has caused this but it is quite annoying, especially since I use the laptop with events for playback. I do use the microphone for recording classes forweb-based classroom for elementary schools so I need it operational.

Have you tried starting it without battery?
Have you reseated memory.
Try removing 1 stick of memory and see if it will start. If no joy,switch the memory sticks and try the other one.
******Clicking the Thumbs-Up button is a way to say -Thanks!.******
**Click Accept as Solution on a Reply that solves your issue to help others**

Internal speakers won't mute when audio jack in use

I recently fixed my problem of no sound coming out of any speakers (by turning off Auto-Mute Mode in alsamixer), but now when I plug earphones into the audio jack my built-in speakers don't turn off. I am positive that the audio jack is working, as there is sound coming through the earphones, but sound is also coming through the built-in ones. I am confused because when I first got Arch installed, my earphones would work but not the main speakers. Then nothing worked, and now it won't stop coming through both of them! I will be sure to check back regularly to update you with any information needed.

Does this section of the wiki help?:
https://wiki.archlinux.org/index.php/Ad … ous_output

Internal speakers won't play

I can hear sounds and music when I have my headphones in, but whem I take them ut no sound comes. I have a 2nd generation and there should be an internal speaker.
I also got mine refurbished. Do I have to reset it, or turn something on?
Thanks!

Adjust the volume without the headphones attached and see if it says headphones, shown here.

Internal Drive won't stay open

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Any ideas?
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Jim

Thanks for the suggestions.
After deleting the suggested preference files I'm still having the same problem, now with one slight change.
When I double click on the internal drive icon, the drive window still opens and immediately closes. But instead of leaving me on the desktop, I'm now automatically in the "desktop window" with the "house" icon and my (acct?) name selected. It's the icon in the list on the left side that's between "desktop" and " documents."
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I upgraded to Yosemite last night and I love it but for one very annoying bug: I use a Blue Yeti USB microphone as my input device, but since it has such an active diaphragm I keep it muted using the front mute button (turning the input to zero doesn't quite do it) to prevent feedback. Since upgrading, there are a huge number of applications that "un-mute" the mic without my input. Anything, it seems, that might potentially use a microphone activates it. As a result, if I have music playing I will suddenly have the mic feeding back without my consent - very annoying! Is there a fix to this? Any ideas?

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My ipod touch internal speakers won't play; I get alternative selections as to where to send sound (headphones, docking station, AppleTV, etc) but not internal speakers. I've hard and soft reset but no improvement. I keep wondering if there is a setting I've overlooked.

Apple will exchange your iPod for a refurbished one for $199 for 64 GB one and $99 for the other 4Gs. They do not fix yours.
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HELP! Two problems - internal speakers and a bar that won't go away!

I have just bought my new 3G iPod Touch, but now the internal speakers don't work. I haven't done anything, but suddenly after I had had the headphones in and used external speakers, it won't play out loud without the headphones or speakers attached. The volume bar is completely gone, when I take out the headphones, and there were no problems before.
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I just want to add, I have the same problem, and just want to help raise awareness of it.
1st, the problem only started recently (have been using the Thunderbolt display since it was released), I did not have this problem, and noticed it beginning only in the last month. (since January)
2nd, My particular setup, includes a hard drive attached to the firewire port on the back of the Thunderbolt Display (so, I am wondering if anyone else experienced this problem with a firewire drive being connected).
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yesterday I realized my internal speakers were not working on my MacBook Pro. The red light comes off in the headphone jack. I tried to plug my headphones and take them out to get my computer to recognize the internal speaker but nothing seems to be working. i was using mountain lion so I decided to install yosemite to see if that would fix my problem but it did not. In fact this morning after Yosemite was installed I noticed that my keyboard lights were also "locked" just like my speakers. I tried the PRAM reboot and the sudo terminal code but none of these have worked so far... Any ideas of what I could do?
I Would like to specify that in my preferences for sound nothing is muted not is the wrong device selected, there are no devices available as if my internal speakers had disapeared

1. Applications > Utilities > Audio MIDI Setup
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2. System Preferences > Sound> Sound Effects
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If this does not help, you have to take the computer to the Apple store to have it checked out.
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Airplay won't stop trying to connect and internal speakers don't work

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Follow these instructions for deleting the System Preferences plist:
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Sound 'out' is reset to "Internal speakers" after any restart.

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Internal speakers won't stay muted

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