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Overheating, software errors, incorrect permissions and malfunctioning hardware can each cause a MacBook to suddenly shut itself down. Fixing software glitches or heating problems can often be fixed yourself at no cost, but if an internal component is malfunctioning, you may have to take the MacBook in for repair.
Why did my Mac randomly shut off?
A depleted battery could be the cause of your Mac randomly shutting down. It’s pretty simple to check your battery status, and if you’ve reached your maximum cycle count, well, it’s time for a new one. Check your battery: Open the Apple icon, top left, and select About This Mac.
Why did my Mac crash?
Reasons Your Mac Can Crash Software bugs and incompatibilities. Not enough system memory for applications to run. Resource-intensive applications that heavily use the CPU. Too many applications open at once using up a lot of memory.
How do you force start a 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.
How do I restart my Mac?
On your Mac, choose Apple menu > Restart. If you don’t want app windows that are open to reopen when your Mac restarts, deselect “Reopen windows when logging back in.”.
Why is my Mac frozen?
Main reasons a Mac can freeze: Too many apps running. Too many browser tabs open. Not enough hard drive space.
Why does my Mac screen go black?
Your Mac notebook computer may be out of power If your Mac notebook computer’s screen goes black, but is not in sleep, it may be out of power. Plug the power adapter into the computer and into a power outlet. Hold down the Command and Control keys while you press the power button to restart the computer.
How do I fix my Mac if it wont turn on?
If your Mac doesn’t turn on Press and hold the power button on your Mac for at least 10 seconds, then release. If you see no change on your Mac, press and release the power button. If your Mac now turns on but stops at some other screen during startup, follow the steps for when your Mac doesn’t start up all the way.
How do you restart a dead MacBook Pro?
To get going, plug in the power cable and then press the Shift + Ctrl + Option/Alt keys and the power button simultaneously and hold them for at least 10-12 seconds. Next, release all the keys and then press the power button to try and restart your MacBook.
How do you fix a Mac that won’t boot or gets stuck on the loading bar?
Power your Mac back up. Immediately press and hold these four keys: Option + Command + P + R. Make sure to hold the keys for at least 20 seconds. On some Macs, you may hear a startup sound play twice or the Apple logo appear and reappear twice.
Is it bad to restart your MacBook?
“You don’t necessarily have to restart every time your Mac suggests it, but you should if you can,” says Steingart. An advantage to restarting, aside from installing any needed updates, is fixing a sluggish Mac by clearing the memory and starting fresh, adds Steingart.
How do I reset my Mac without losing everything?
Reset Your Computer While your computer is restarting and you see the black screen with white Apple logo, hold down the command button and R on the keypad at the same time. This will open the Disk Utility window and allow you to erase all of the information.
Will I lose everything if I restart my Mac?
Restarting or rebooting your Mac essentially clears your computer’s memory and starts it up fresh. When you restart your computer, your Mac closes all running programs and offers to save any files you’re working on. After you choose to save any files, your Mac will finally boot up again.
How do you unfreeze a Mac?
How to unfreeze your Mac? Press Command- Esc-Option on your keyboard at the same time, then release them. Select the name of the frozen application from the menu’s list and click Force Quit. If the Force Quit menu doesn’t appear or the frozen program doesn’t close, you’ll need to restart your computer.
How do I unfreeze my Mac without losing my work?
Go to the Apple menu: Press the combination Cmd+Option+Esc, and a window will pop-up. After pressing the above keyboard combination, the Force Quit Applications should appear, select Microsoft Word and then click on the “Force Quit” button. The Mac will also display a list of programs.
How do you unfreeze a computer?
Press and hold the “Ctrl”, “Alt” and “Del” buttons in that order. This may unfreeze the computer, or bring up an option to restart, shut down or open the task manager.
How do you fix a black screen on a Mac?
Press and hold the power button for about 10 seconds. Press and release the power button, then immediately press and hold Command (⌘)-R until you see an Apple logo or other image. If you still see a blank screen after about 20 seconds, contact Apple Support.
How long does it take to turn on a dead MacBook?
Plug your MacBook into an outlet that you are sure is working and wait at least 10 minutes before trying your Mac on battery power again. The MacBook may display a black screen during this time, which is fine. It may also display a dead battery icon, which is even better.
How do I force restart my MacBook air?
Restart a MacBook Air from the keyboard: Hold Control + Command + power button/eject button/Touch ID sensor. Force restart a MacBook Air: Hold down the power button or Control + Option + Command + the power/eject/Touch ID button.
Why won’t my MacBook Air turn on even when plugged in?
Ensure your Mac is plugged into a power source. Try swapping out the charger or power cable, or using a different power outlet. The charger itself may be damaged. If you’re using a MacBook and its battery is completely dead, you may need to wait a few moments after plugging it in before turning it on.
Why won’t my MacBook pro turn on or charge?
If you have gotten this far without a successful boot, try resetting the SMC on your MacBook Pro. Unplug the laptop from the charger and peripherals. Hold down Shift + Control + Option and the power button for ten seconds. Let go of all keys and reconnect the charger.
How do you restart a frozen Mac?
To force a restart your MacBook, you need to press and hold down the Command (⌘) button, the Control (Ctrl) key, and the power button at the same time. Hold these keys down until your MacBook’s screen goes blank and the computer restarts itself.
