Force restarting a Mac can cause unsaved data to be lost permanently, so it's not something you want to use casually. Alternatively, You can use the keyboard shortcut by pressing the Control + Command + Power buttons to force restart your Mac without being prompted to save any open or unsaved documents.
Control–Command–Power button:* Force your Mac to restart, without prompting to save any open and unsaved documents. Control–Command–Media Eject : Quit all apps, then restart your Mac. If any open documents have unsaved changes, you will be asked whether you want to save them.
Normally you can restart your Mac by choosing Apple menuApple menuChoose Apple menu > About This Mac. This opens an overview of your Mac, including your Mac model, processor, memory, serial number, and version of macOS. To see the greater detail provided by the System Information app, click the System Report button. > Restart. However, in some cases—for example, if your Mac becomes unresponsive—you may need to use a different startup method. Press and hold the power button on your Mac until it shuts off. After a moment, press the power button again to start your Mac.
How to Force Restart Your Mac. Press and hold down the Command (⌘) and Control (Ctrl) keys along with the power button (or the Touch ID / Eject button, depending on the Mac model) until the screen goes blank and the machine restarts.
Force restart a MacBook Air: Hold down the power button or Control + Option + Command + the power/eject/Touch ID button.
You may also restart by quickly pressing and releasing the Power button and clicking "Restart," by pressing "Ctrl" and the eject key (in the upper-right corner of the keyboard) and clicking "Restart" or by pressing "Cmd-Ctrl" with the eject key. Each of these methods will reboot your MacBook in the same way.
How to Force Restart a MacBook Air (2018/2019)
How to use Siri on a Mac
Magic Keyboard in MacBooks. Magic Keyboard also refers to Apple's current keyboard in its MacBooks. It debuted in the 16-inch MacBook Pro in late 2019, followed by the MacBook Air and 13-inch MacBook Pro in early 2020.
To force a restart, press and hold the Control + Command + Power keys simultaneously until your computer's screen goes blank. Your Mac will reboot after several seconds.
Turn on or restart your Mac. If you're currently in Windows, you can restart your device by choosing Power from the Start menu. When your Mac begins restarting, press and hold the Option (or Alt) ⌥ key on your keyboard. Release the key when you see a window displaying all available startup volumes.
If your Mac is stuck on this screen
Choose Apple menu > System Preferences, then click Startup Disk. Click the lock , then enter your administrator password. Select the Boot Camp volume, then click Restart.
Hold down the Shift and Option keys, then click on the Bluetooth icon in the menubar. If its not there then add by going to System Preferences > Bluetooth > Tick Show Bluetooth in menu bar. And then choose Reset the Bluetooth module from the menu.
First you'll need to turn off your Mac. Then press the power button and immediately hold down the Control and R keys until you see the Apple logo or spinning globe icon. Release the keys and shortly afterwards you should see the macOS Utilities window appear.