If you use Option-Command-R during startup, it will supply the latest compatible macOS. Note: If you use Shift-Option-Command-R during startup, it will offer the macOS that came with your Mac. Press the power button and simultaneously hold down the Option-Command-R or Shift-Option-Command-R key combination.Turn off your Mac and wait a few seconds.And consequently, fix the Mac Recovery Mode not working issue. You can troubleshoot the malfunctioning Command R with the following solutions. Any of these can bring about the Command R not working even on macOS Big Sur and Monterey. For example, your inappropriate way of using Command R keys, faulty keyboard, Mac corruption, OS bug, etc. The reasons for Command R on Mac not working are various. Command R not working to reset Mac or reinstall macOS, what to do? What to do when Command R not working on Mac/MacBook: In addition, it enables you to factory reset your Mac or reinstall macOS even if Command-R doesn't work. Then, you can enter macOS Recovery Mode again. Here, this post will help you fix the Command R not working issue. It prevents your Mac from entering Recovery Mode. Oops! The Command R is not working on your MacBook Pro, MacBook Air 2020, iMac, or so.

Unexpectedly, your Mac fails to boot in Mac Recovery Mode but starts up normally or shows a blank or black screen. Not all these functions work with every version of Mac OS X or with every hardware upgrade, but they are the most common.You press the Command-R shortcut keys during Mac startup, trying to enter the built-in Recovery Mode to reinstall macOS or reset your Mac. Force eject (CD/DVD): Click Mouse Button and Hold.Boot to open firmware: Command + Option + O + F.Reset PRAM: Command + Option + P + R (Note: Hold until second chime).Target disk mode: T (Note: Only for FireWire Macs).Safe-boot mode: Shift (Note: Disables nonessential and login applications).Boot to external hard drive: Command + Option + Shift + Delete.The following key combinations can be held as your Mac is powering on: While you cannot run any code from Terminal or otherwise to set an order of boot devices, you can easily control where your Mac boots via keyboard commands.

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