Master the art of controlling your Mac effortlessly with keyboard shortcuts. Learn how to shut down, sleep, or restart your Mac with just a few keystrokes.

If your Mac is having problems, macOS has multiple keyboard combinations that you can hold to recover your system, start in safe mode, run diagnostics, and more. Here's how to use them.

Next, turn on your Mac, then press and hold Option + Command + P + R for roughly 20 seconds, ignoring any restart chimes or Apple logos. Once the time is up, let go, and your Mac should continue ...