
Release the keys when seeing the Apple logo and progress loading bar.
R DRIVE IMAGE FOR MAC MAC
If you can't measure the time, you can simultaneously press down the keys when Mac startup.
R DRIVE IMAGE FOR MAC MAC OS X
Note: If your Mac runs Mac OS X 10.6 Snow Leopard or older, there's no recovery partition available. 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. Reset Mac or reinstall macOS without Command R

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. 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.
