Immediately press and hold Option, Command, P and R keys for about 20 seconds and release them when you hear a startup sound. To do this, shut down your Mac and power it on again. This happens because the computer restores your hardware’s default settings, and sets the internal hard drive as the startup disk. Reset it to clear any glitches with any of these and other attributes.
The most common Skype Audio problems as reported by users are low or lack of incoming sound during Skype calls, headphones not working, sound breaking and Audio functions not at all working during Skype calls. Your Mac laptop uses nonvolatile random-access memory to store different settings such as sound volume, time zone, display resolution and recent kernel panic information among others, and access them quickly. You will find below the steps to fix the problem of Skype Audio Not Working in Windows 10. If you find audio not working on your Mac laptop, try updating your operating system to the latest version and see if it fixes the audio issue. Apple also improves and fixes audio latency, reliability of USB audio issues and other related user concerns. Each time a new macOS is released, it not only comes with improvements and new features, but also changes in audio drivers, kernel frameworks, Unix tools, new bugs and sometimes audio issues follow.
