Why Does My MacBook Suddenly Have No Sound?
The reasons you can’t hear sound coming out of your MacBook’s speakers are many, but they may include the following:
An audio device is connected to one of your ports.The sound is muted.Your speakers aren’t selected as the output device.Your computer didn’t start up properly.You need to reset the PRAM or NVRAM.The operating system needs an update.
How Do I Fix the Sound on My MacBook?
The following solutions can get your MacBook’s sound working again, and they go from easiest to most complicated. Try them each in order to see if the audio comes back. At the bottom of this window, make sure the Mute checkbox is not checked. If you have a MacBook with an M1 chip or later, it still uses NVRAM, but you can’t reset it using this method. A normal restart should take care of it automatically.
