Why are my speakers not working? How to fix them?
Although such instances are rare, speakers are known to stop working. They can mute completely, or the sound can be crackling, certain apps not to play sounds, and more. The end result is the same, you won't be able to listen to music or watch movies.
The reasons for no sound are far and wide, with the most common ones being listed below:
The solutions listed below will show you how to fix the speakers and sound problems. Check them out.
Core Audio is the digital audio infrastructure of Mac OS X. It is used to handle the audio needs in your applications.
Open your Applications folder and go to Utilities folder. Open the Terminal application and type:
sudo killall coreaudiod
Restart your Mac after it.
A reason why speakers are not working on Skype are the Skype audio settings. Skype allows you to choose a speaker or a microphone in case if there are more speakers or microphones connected to your device. If you can't hear a voice during a call or the other side can't hear you, check your Skype settings in order to see if everything is correctly set, because it's possible that your current speaker or microphone aren't selected.
To alter the Skype settings, follow the steps below:
Also when you make a call, ensure that your speaker and microphone aren't muted.
It's possible that there is nothing wrong with your Mac, and that sound is coming through a different medium. If your Apple computer is not set to play sounds from the right device, you won't hear any sound.
If you have some audio devices connected to your Mac, remove them before trying to solve the issue.
This also applies to your headphones because Mac OS considers them internal speakers when you plug them in.
NVRAM or non-volatile random-access memory is small amount of computer's memory which stores many informations such as: Speaker volume, Screen resolution, Startup disk selection, Recent kernel panic information.
You can reset NVRAM in order to fix the issue with your speakers volume. Do this also if you don't have sound after installing new graphic (video) card on your Mac, or you cannot fix your sound issue when upgraded to OS X Yosemite.
Click here for a detailed explanation on how to do it.
Having a strong and stable Internet connection is imperative for a smooth call. If your Internet connection is not strong the sound quality will be way lower, or you will hear no sound at all. The solution is to switch to another and more importantly stable Internet connection. If you are connected to a Wi-Fi network, switch to another Wi-Fi network or to mobile data.
Ways to improve the Internet connection include:
Discover more solutions to improve the Internet connection in our how to fix slow Internet guide.
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