How do I force my MacBook Air 2013 to shut down?
To force shut down your Mac, press and hold the power button until the screen goes black. This might take 10 seconds or more; just keep holding the button. After your Mac shuts down, wait a few moments to let it cool off, then briefly press the power button again to restart it.
How do I manually shut down my MacBook air?
Press and hold the power button to force your Mac to shut down. You can also force shutdown your Mac by pressing the Control+Option+Command+Eject keystroke combination.
What to do when your MacBook Air wont shut down?
To do this, first press and hold the Control and Command keys, then hold the Mac’s power button. If you don’t have a power button, then you’ll need to hold Control and Command plus the Eject button or the Touch ID button instead. Keep the button held down for around 10 seconds, after which your Mac’s screen should go black.
What to do when your Mac wont start up?
Hold down all of these keys: “Command”, “Option”, “P” and “R”, and turn on the Mac. (It’s the same keys to reset the PRAM). Keep holding the keys down until you hear the Mac restart again. You may see a progress bar on startup.
Why is my MacBook not starting after High Sierra?
If your MacBook or other Mac does not start up at all after macOS High Sierra/Sierra update and hangs on a gray screen with an Apple Logo, here are some steps to consider: Mac Stuck on White Screen? No More iTunes. How to use Finder in macOS Catalina to Sync and Restore iPhone Upgrading to macOS High Sierra? What You Should Know
Which is the latest OS on my Mac?
My comouter is a Mac mid 2011 The App Store only shows updates for the OS you are using at the moment, in your case Yosemite 10.10.5. If you want to go to another newer OS that is called an upgrade. This can be done through the App Store using the following link. High Sierra is the last/ newest OS your Mac can use.