Mac mountain lion sound not working

What do you suggest? Any idea how can I re-install it? I do not have the installation disc. After trying apparently everything there was on the web, I decided to check if the problem was actually hardware. So I opened the back of my macbook pro, gently pressed on the speaker and the problem was completely gone. Apparently the speaker popped out with some loud frequency, so it might happen again if the sound is really strong. Just do this and chill C:. Unfortunately nothing seems to work.

Just cannot get the Internal speakers to show in the Sound prefs. My audio is coming but with distortion and dis clearity and noises humming when aloud plz help when i switched headphones the problem is gone i updated some software updates a few days ago then the fault came up Running a Mac Mini late and have just updated to macOS Since I use the machine a media server over Gb of music and the rest this makes the machine useless.

I've tried all of the above. Am I best waiting for Apple to notice and provide a patch? Not good at the start of the holidays. You might want to bite the bullet and do a full macOS reinstallation, especially if you've tried all of the above. I'm not really sure what else could help, it's certainly an odd problem to have. Failing that you could roll back to a previous version of macOS that wasn't causing the issue.

In typical fashion it started working again, I didn't do anything except wait for a week or so. Frustrating but the right result in the end.

5 answers to this question

I am considering going back to El Cap anyway, as the extra features on Sierra aren't important to me and don't work very well. Probably a sign my system is struggling with the upgrade. Are there any disadvantages to going back? My files are all in cloud storage and an external drive has all my media backed up. I'm told it's quite simple if you have time machine, which I do. I've started to experience sound problems using external speakers with my mac mini since updating to OSX Sierra. I have used the "sudo killall coreaudiod" and it didnt work first time but when i tried it again it worked for some reason.

However, a few days later the issue recurred. I turned my mac on and it wasnt playying any audio through the speakers. I have used the "sudo killall coreaudiod" and it didn't work first time but when I tried it again it worked for some reason. However, a few days later the issue recurred - I turned my mac on and it wasn't playing any audio through the speakers. And that it isn't muted? Test your speakers with other devices too.

Try headphones with your Mac mini and see if you get the same problem. Maybe try searching for the problem in relation to your specific hardware? A last ditch attempt to fix the issue would be to back up with Time Machine and reinstall macOS you can hold down R during startup to launch Recovery Mode and then delete your partition using Disk Utility, and reinstall macOS from there. The Mac Pro have 2 3. Problem is no matter what microphone I use, unable to get sound into Mac Pro through different mic's. I tried to install Soundflower v1. Now that Sierra has Siri I need to input sound.

Notification Centre Not Playing Sounds

Is there an alternative to Soundflower. Or what do you suggest. Also no success with your LineIn, This problem has been with different versions of macOS over 2 years. My setup: Whatever I do, the static bombs hits my audio of the display speakers after a few minutes. Really need those speakers Any other idea or solution? Well if you've followed all of the advice in the article, I can't really think what else to do. Maybe update to macOS Sierra and see if that fixes it? You could even try a full reinstall of the OS? Beyond this, if your laptop is from early then it may still be under warranty depending on where you bought it.

Australia and EU have two years standard warranty, but if you got AppleCare then it's covered for 3 years anyway. It might be worth taking it to Apple and getting them to have a look at it Now, with the simple command to kill and restart the core audio process, I have great sound on the work MacBook Pro, one again, Thanks! I had a very strange issue where sound through my Headset.

I have an iMac, running Yosemite I was given a gift of a digital turntable which came with Audacity software version 2. I installed the software, started to follow the instructions for configuring it for Mac documentation was way out of date, the screen shots were for an earlier operating system and, before I knew it, all my sound was gone. I've tried trying to find fixes online.

None of them have worked. Settings in Sound preferences are seemingly set up correctly. I've now deleted the software from the computer and restarted the computer with no change. I've tried your suggestions up top of this article but Im a bit of a novice so am a little afraid of things like Terminal Windows. I just feel out of my depth here.

Don't be afraid of Terminal, the commands above won't cause any harm to your computer. You should try them and see if they make any difference.

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Did the digital turntable tell you to create an aggregate sound device by any chance? If nothing is working, ensure that your Speakers are selected as your primary Output device and that "Mute" isn't on obviously. Use the Terminal commands or just launch Activity Monitor to kill the coreaudiod process. It will restart automatically. Make sure your turntable isn't connected to your Mac any more also. If nothing else can help, it may be time to reinstall your operating system. Back up with Time Machine and an external drive, then have a look at this guide: Hello Tim, I am a complete novice at recording.

I need to have Windows on my Mac Pro for my work. I am trying to record on power point files on office I need to do a recording on each slide. This is working but when I replay the recording there is so much background buzz. It is terrible. I bought myself a set of the latest BOSE headphones with a speaker and tried this this morning but the buzz is still there. Do you have any suggestions as to how I can make this sound more professional? Many thanks in anticipation. It sounds like the microphone is the issue in this case. Do you have multiple microphones connected to your Mac?

Be sure to select the right one under Windows' sound preferences I can't remember where as it's been so long since I've used it. Whenever you do connect the microphone you should make sure you select the right one as per the instructions above. Some microphones to consider: Optionally you could try recording the audio on a smartphone in a quiet environment, but do keep in mind the audio quality is likely to be poor too.

Once complete you can just send the file to your computer and import it into PowerPoint. I am having troubles while using Skype on my iMac running El Capitan. I use my internal speakers and have the noise reduction clicked. While I am talking there is a large amount of feedback. I can hear my own voice echoing through my brother's speakers in England and there is a ton of high pitched squealing.

I've tried everything I can think of. While it might not be idea, headphones will solve this issue. It's possible that either you or your brother have your speakers too close to the microphone a common problem on laptops , which is causing the feedback problem. As you say you can hear your own voice, it sounds like the problem is on your brother's side. Either use headphones or the Skype mobile app to chat as you would normally on the phone to solve this one.

Ran into a strange problem today regarding input and output channels. Perhaps more strange, when also having headphones plugged into the headphone jack, while the input is also plugged in, the sound is booted from my headphones and played through the internal speakers? In the sound preferences, the "headphone" option disappears and automatically assigns itself back to the internal speakers. When I unplug the input jack and re-plug in the headphones, sound comes through the headphones as usual. I tested this through iTunes, since I am recieveing no audio via the input jack.

The strangest of all these things is that this seems to have happened out of the blue. I have been doing this process for quite a while, specifically, recording from the mixer into Logic via the input jack and monitoring out through the headphone jack. I tried most of these steps but to no avail. Just wondering if you had any other ideas before I give it a full wipe. I've been struggling with distorted audio over google hangouts. We use it to play online games.

I'm the only one using a mac and the only one having this issue. I was going to try your technique of killing the "coreaudioud" but when I called up the activity monitor I couldn't find it. Is this a file that comes and goes as needed? Open Activity Monitor, select the CPU tab, and search for "core" and it should pop up with about 5 other processes. It doesn't come and go, it should always be running. Hence the system automatically restarting it when you kill it.

You'll need to follow it up with your admin password which is your account password, if you're the main admin user. It sounds similar to the problems in Mavericks, but I'm using El Capitan, any ideas? El Capitan occasionally causes issues like this, though it's generally a lot better than Mavericks was.

This will also depend on what your hardware is. You'll need to type your admin password.

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Audio will stop for a second then the process will restart. I suggest you move on to resetting PRAM, as per the article, if this doesn't help. This is a very important article for every OS X user, thank you for this. My problem was no sound after unplugging headphones, sleeping iMac, then returning hours later.

Although the sound bar was adjustable and not muted in preferences, no sound was to be heard, headphones in, or headphones out. Not working. I wonder if I should keep buying updates upon launch date. Mayby I should have waited until Jul 25, 1: Jul 25, 3: I also had an audio problem. After opening the panel, sound settings with universal access, the problem was solved. Jul 25, 4: Same problem, same solution as the other previous posts had indicated. Audio icon on the taskbar was grey. All it took was a simple reboot and then it was back to working normally as it should have been before.

No clue as to what the problem was. Jul 30, 1: I had the same problem tonight. Did something similar to vad and went into "Sound" settings under System Preferences. Just moving the volume setting back and forth in there seemed to bring back audio output Forgot to post earlier. But I solved the issue simply by rebooting my computer. If you haven't reboot your computer yet that should be the first thing you do when something like this occurs. If afterward it doesn't work then it's probably issue with the sound output port actuator.

For then just try to plug in and pull out the headphone jack repeatedly that should clear things up. I had this problem twice once this time which was solved simply by rebooting my computer and last time it was the actuator issue and I used the above solution to fix it. Jul 31, 4: As FiddleMonster said, so far, no firewire audio is coming out. Jul 31, 5: No need to use the toothstick which could damage the MBP.

Aug 3, 5: After installing Mountain Lion on my iMac, the audio icon was greyed out. Audio output problem in Mountain Lion More Less.

CoreAudio problems with Mountain Lion Mac OS

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