While loading, hold down the Command button and the R key. Something called OS X Utilities will appear. Click on Disk Utility and then on “Mac OS Extended”. Then click on Delete.
How do I factory reset my MacBook Pro 2010?
How can I factory reset my 2021 MacBook Pro?
How can I reset my MacBook Air to 2015 factory settings? To do this, hold down the Command + R key when you restart your MacBook Air or turn it on, holding both keys down until you see the Apple logo. Once the Apple logo is displayed and finished booting, you will be shown the Utilities window. This is where you can wipe your hard drive and reboot.
What do you do if your Mac won’t start in Safe Mode?
Start your Mac in Safe Mode
- On your Mac, choose Apple menu> Shut Down. After the Mac shuts down, wait 10 seconds.
- Restart your Mac, then immediately hold down the Shift key.
- Release the Shift key when you see the login window.
What Does Mac Safe Mode Do? Safe mode allows you to safely turn on your computer in case of system problems and can help you solve various problems with your Mac.
How do you perform a hard reset on a MacBook Pro? Turn off your Mac, then turn it on and immediately 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 some security features that may have been changed.
How do I factory reset my MacBook Pro 2011?
How can I clean up my Mac and reinstall it? Select the boot drive on the left (usually Macintosh HD), go to the Erase tab, and choose Mac OS Extended (Journaled) from the Format drop-down menu. Select Delete and then confirm your choice. Exit the Disk Utility application and this time choose Reinstall OS X and Continue.
Hold down the Command (‘) and Control (Ctrl) keys along with the power button (or the “Touch ID” / Eject button, depending on your Mac model) until the screen turns off and the machine restarts.
How can I restart my 2011 Mac? After the iMac has completely shut down, but before it starts restarting, hold down the Command (⌘) and R keys at the same time. Your Mac will display the macOS Utilities menu, from which you can reinstall Mac OS.
How do you unfreeze a MacBook Pro?
Why is my MacBook on but the screen is black? Power Issues: MacBook may boot to a black screen if there isn’t enough power or power rating. Poor contact between hardware and firmware – Contacts between hardware and firmware are damaged, loose or dusty, the computer does not boot normally. Cables not connected. Third party applications that expand the screen.
Why did my Mac crash? If your Mac crashes, there may be a PRAM or NVRAM error. … First turn off the Mac, then turn it on and immediately press Opt + Cmd + P + R. Keep these keys pressed for 20 seconds; Your Mac may restart during this time, but hold them for 20 seconds.
In this case, the cure is to perform a “forced exit”. Go to the Apple menu and select “Force Quit” or press Option-Command-Esc as a shortcut. The Mac will display a list of programs; click on the one that is locked and the Mac will close it without affecting any of the others.
How do I turn off my MacBook Pro without the power button? In the same support document, Apple points out that the ideal way to shut down your Mac is via → Shut Down … in the top left corner of the menu bar, without using the power button. Here’s why: Just as your Mac goes through a startup process after it turns on, it goes through a shutdown process before it shuts down.
How can I restart my Macbook Pro when the screen is black? Press and hold the power button for about 10 seconds. Press and release the Power button, then 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.
If your system is unresponsive or you can’t open any of the Force Quit menus, you can force restart your computer. … Press ‘Command Ctrl’ Eject to force restart the computer. The â Eject key is located in the upper right corner of the keyboard. Newer MacBooks may not have an â Eject key.