Here in this article, we are going to help you troubleshoot the sound problems
on Mac. As of now, many Mac users have reported that they are not able to
adjust the volume on their device.
If you too are facing this issue, continue reading the article to find a fix for you.
You must try each step before moving on to the next one.
If the sound or audio does not work properly in OS X, the first thing to you
should is to open System Preferences and then Sound and then Output. Check
the sound settings and make sure they are correctly set.
RESTART YOUR MAC
You can try rebooting your Mac as it has proven to be helpful in many
RESET CORE AUDIO
You can try to reset the core audio by typing sudo killall coreaudiod command
in the terminal. Enter the admin password if prompted.
RESET PRAM/ NVRAM
If you are tech savvy, you must know that the speaker volume information is
kept in PRAM (on older Macs) or NVRAM (on new Macs). If you wish to reset
the PRAM or NVRAM settings just follow the steps mentioned below.
- First of all, shut down your Mac.
- Now, turn it on by pressing the power button.
- After that, press and hold the command + option + P and R keys at the
same time after you hear the start-up chime. You have to press these
keys before the Apple logo comes on screen.
- Do not release the keys until the Mac restarts.
- Release the keys after you hear the 2 nd start up sound.
AUDIO MIDI SETUP
Just launch the Spotlight by pressing Command with Space key. Over there,
you must make sure these two things are selected
- ‘built-in output’
- ‘44100 HZ’ and ‘2ch-16 bit Integer’
All the above mentioned fixes are meant to solve your problem you are facing
with sound on your Mac. If the problem still persists, you can contact Apple