

You can release the keys after about 20 seconds, during which your Mac might appear to restart.

Shut down your Mac, then turn it on and immediately press and hold these four keys together: Option, Command, P, and R.

Here’s a summary of what’s in the video: 1) Reset NVRAM or PRAM The video above aims to try giving some other possible solutions to the issue. Ever since 2015 when Apple introduced System Integrity Protection (SIP for short) in OS X El Capitan, users have been having trouble getting their macOS system to allow them to use various parts of their hardware or software. One of the most common questions that my YouTube channel gets in the comments is how to fix issues with microphones and/or cameras not being allowed to be used by apps.
