Restart the sound controller. Start by opening Activity Monitor using Spotlight - press the keyboard shortcut of Command and Spacebar or open Finder and go to Applications. Then open Utilities and look for Activity Monitor. Once the monitor app launches, look for the coreaudiod process in the list or use the search field in the top right corner.
Select this particular process and click X to close it. The macOS automatically relaunches the process and the problem should be fixed.
How to fix sound problems on your Mac running macOS Mojave
Adjust system preferences. Start by opening Mac System Preferences and select Sound. Choose the output tab and select Internal Speakers from the list below. Ensure that the checkbox next to Mute in the bottom of the window is disabled. Also try to adjust the right side volume level more than the middle. Cannot find internal speakers in System Preferences?
How to Reset a Sound Card on a MacBook
If you see a Digital output, rather than internal speakers in the window, disconnect all peripherals from the Mac and check if anything changes. Otherwise, you might need to contact a licensed technician. This process is often able to fix sound related problems. The computer will start and play the startup chime.
Keep the keys held down until you hear the startup chime again. Then you can release the keys and the PRAM settings will be set to default.
What to do if your Mac sound is not working
Find a detailed guide on how to reset it on your Mac version. If the steps above do not fix sound related problems, consider visiting the App Store or a licensed technician, since this might be a sign of faulty hardware needing replacement. Try to disconnect and use them with other devices, for example, an iPhone or iPod. If possible, test them on a different operating system such as Windows, Android, Linux, etc.
Try the restart method, disconnect and plug them back in. Sometimes this method is enough to fix the issues. Inspect the audio port - modern Macs contain a red light internally that warns of blocked sockets.
- Check Your Volume and Hardware.
- Choose the Right Audio Device.
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Dust or fluff can block the port - try blowing into the port to clear it. Plug in external sound components while pressing and holding one of the volume buttons. Check if this fixes the issue. Some external sound components contain their own volume control - if so, check that it is not turned down to minimum or completely disabled.
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If there are any available system upgrades, they'll be listed here. Download the latest version of OS X. Download El Capitan if it is listed in the Updates section. The download will likely take a while to complete. Install the system update. Follow the prompts to install the system update.
It's a pretty straightforward process, and you won't lose any of your files or settings. Test your sound again. Once the update has finished and you're back at your desktop, test your sound again to see if it is working. Do you have parental controls enabled? If so, the sound might be disabled at night. If not, I'd recommend taking it into a tech-shop; they'll know more. Yes No.
Not Helpful 3 Helpful 2. What should I do if there is no sound on my Mac and a red light at the headphone jack? Put head phones in the jack, then pull them out again a day later or take the battery in then out. Not Helpful 9 Helpful 1. What can I do if my Mac is connected to something else and won't allow me to use my internal speakers? You can open up system preferences, go to Bluetooth, and hit "Disconnect. Not Helpful 0 Helpful 0. Check your sound settings in system preferences. If that doesn't work, take it to the Apple store. Not Helpful 8 Helpful 0. Unanswered Questions.
What do I do if my sound output and input on my Mac won't respond?
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Answer this question Flag as Flag as Include your email address to get a message when this question is answered. Already answered Not a question Bad question Other. Tips Sound hardware failing is a very common issue for many different MacBook models. The only reliable fix is to get the MacBook serviced by Apple. Turns out Microsoft was running an update to Office in the background. When the update completed, audio through speakers was restored.
Help Translate iFixit. Back Answers Index. Bjorn Nelson bjornhnelson Rep: I would greatly appreciate any advice or tips for fixing this problem!
Check your sound settings
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