Why is my iMac stuck on loading screen?
If your Mac is stuck on this screen On notebook computers that have Touch ID, press and hold Touch ID.) Turn your Mac back on. If the issue persists, press and hold the power button until your Mac turns off. Then unplug all accessories from your Mac, including printers, drives, USB hubs, and other nonessential devices.
How do I reboot my iMac 27?
Restart your iMac by clicking the Apple menu, then select Restart…. Click the Restart button when the dialog box appears. After the iMac shuts down completely but before it begins to restart, hold down the Command (⌘) and R keys at the same time.
How do I reboot my IMAC computer?
Normally you can restart your Mac by choosing Apple menu > 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 do you restart a frozen IMAC?
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 force my iMac to start?
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.
How do I do a hard reset on my iMac?
Turn on your Mac and immediately press and hold these four keys together: Option, Command, P, and R. Release the keys after about 20 seconds. This clears user settings from memory and restores certain security features that might have been altered.
How do I fix an unresponsive Mac?
FIX: Press Command + Option + Esc on your keyboard — this will bring up the Force Quit menu. Pick the app you want to quit and click the Force Quit button. If you have no idea which app causes the freezing, use Quit All to quit all processes, including the background ones, and see if it helps.
What to do if your Mac can’t start up from macOS recovery?
Learn what to do if your Mac can’t start up from macOS Recovery. If your Mac is using a firmware password , the lock icon appears when you try to start up from another disk or volume, such as an external drive or macOS Recovery. Enter the firmware password to continue. Your Mac asks for a PIN code when it has been remotely locked using Find My.
What do the screens on my Mac startup screen mean?
About the screens your Mac displays as it starts up. These are some of the screens you might see on your display during Mac startup. Startup screens can vary by Mac model, operating system (macOS), and more. Some screens, such as the prohibitory symbol or question mark, mean that you need to resolve an issue before your Mac can finish starting up.
Why is my Mac screen black when I turn it on?
When you first turn on your Mac, the screen is black and you hear a startup sound if your Mac is from early 2016 and earlier. Your Mac initializes its BootROM and memory (RAM). It then performs a power-on self test (POST) and a BootROM test.