Shut down your Mac, then turn it on 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.
Additionally, how do I restore my MacBook to factory?
Beside above, how do you do a hard reset on a MacBook Air? To hard reset a MacBook Air, restart the MacBook and simultaneously press the Option, Command, P, and R keys. Hold down the keys for about 20 seconds.
In this regard, how do you clear everything off a Mac?
- Turn on your Mac and continue to press and hold the power button until the startup options window comes up.
- When the Utilities window appears, select Disk Utility.
- In the sidebar, choose Macintosh HD.
- Click the “Erase” button, then select a file system format and enter a name for it.
You asked, how do I restore my MacBook Air 2011 to factory settings? Shut down your Mac, then turn it on 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.
Contents
How do I clear everything off my MacBook air?
Press the Power button and “Shift-Control-Option” on the left side of the Macbook Air’s built-in keyboard all at the same time. Wait a second and then release the keys and the power button at the same time. Press the Power button to turn the MacBook Air back on. This resets the SMC.
How do you do a hard reboot on a 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 you restore Internet on a Mac?
- Shut down your Mac.
- Hold down Command-Option/Alt-R and press the Power button.
- Hold down those keys until you a spinning globe and the message “Starting Internet Recovery.
- The message will be replaced with a progress bar.
- Wait for the MacOS Utilities screen to appear.
Does deleting a user account delete files Mac?
Thanks. If you are using OS X Mavericks, the user files will be deleted. If you are using an older Mac OS X version like OS X Mountain Lion, System Preferences will let you choose if you want to keep the files or to remove them.
How do I factory reset my Mac desktop 2011?
After the iMac shuts down completely but before it begins to restart, hold down the Command (⌘) and R keys at the same time. The Mac will display the macOS Utilities menu, from which you can reinstall Mac OS.
How do I restore my MacBook Air to factory settings without CD?
Why is my Mac not responding?
Reboot your Mac If you can’t Force Quit an unresponsive application, then it’s time for a reboot. … How to reboot a Mac that is not responding: Hold down the power button for several seconds. If that doesn’t work, Press the Control-Command keys down, then press the Power button.
How do I turn my MacBook air on?
At the right end of the keyboard is the physical Power button. Holding down this button will turn on your MacBook. Alternatively, if you’re using the 2018 MacBook Pro or 2018 MacBook Air, pressing any key on the keyboard or clicking the trackpad will turn on the computer.
Does restarting your Mac delete everything?
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.
