Select the Options icon, then click Continue underneath it. This takes you to the Startup Options screen. Press and hold the Power button until the display shows Loading Startup Options, then release it. Recovery Mode, to check startup disk, reinstall macOS, restore from a backup, change security settings Once the Startup Options screen appears, press and hold the Command and D keys until your Mac restarts and the Diagnostics Loader menu appears in the main menu bar.
Some, such as Safe Mode, may not be as convenient to access, but follow a logical sequence. Instead of having to memorise all the startup key combinations used by Intel Macs, different modes and features are accessed in a structured and logical order. Apple has completely redesigned and reorganised startup modes in M1 Apple Silicon Macs.