Mac
How do I force my Mac into recovery mode?
Reboot your Mac. Hold down Option/Alt-Command-R or Shift-Option/Alt-Command-R to force your Mac to boot into macOS Recovery Mode over the internet. This should boot the Mac into Recovery Mode.
How do I force a recovery on a Mac?
Key combinations for an Intel-based Mac Command (⌘)-R: Start up from the built-in macOS Recovery system. Or use Option-Command-R or Shift-Option-Command-R to start up from macOS Recovery over the internet. macOS Recovery installs different versions of macOS, depending on the key combination you use.
How do I trigger recovery mode?
Hold down the Power and Volume Down buttons together for a few seconds. You may have to enter your PIN or password. Choose your language. You should see the recovery menu now, and you can use the Volume buttons to highlight options and the Power button to select them.