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It also can work with other shortcut keys to performe different functions. Command R not working on Mac, how to fixĬommand-R is the key combination to start up your Intel-based Mac, even it is unbootable, from the built-in macOS recovery system. How to use Command R to access Mac Disk Utility

This post will show you what Command-R does on Mac, and how it helps you access Disk Utility or reinstall macOS from your corrupted Mac. They help you get communication with your operating system again to fix the issues on your computer.Ĭommand R is the most functional combination when your MacBook won't turn on or has OS-related issues. Shortcut keys are the best assistants when your OS is out of work and can't be controlled by your mouse.