Volume on Mac
Volume quit working suddenly. How do I restore?
MacBook Air 13″, macOS 11.3
Question marked as
Top-ranking reply
Go step by step and test.
1. Reset PRAM: Reset NVRAM or PRAM on your Mac - Apple Support
Settings that can be stored in NVRAM include sound volume, display resolution, startup-disk selection, time zone,
and recent kernel panic information.
The settings stored in NVRAM depend on your Mac and the devices that you're using with your Mac.
2. Reset SMC: How to reset the SMC of your Mac - Apple Support Choose the appropriate method.
Quote:
Resetting the system management controller (SMC) can resolve certain issues related to power, battery, fans,
and other features.
3. Try suggestions given in this article.