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 the memory and restores certain security features that may have been altered.

Erase and reinstall macOS - Apple Support

Choose Apple menu > Restart then immediately press and hold Command-R. · In the Recovery app window select Disk Utility then click Continue. · In Disk Utility ...

How to Erase and Factory Reset Your Mac - MacRumors

Click the Apple ( ) symbol in the top left corner of your Macs screen and select Restart.... Click Restart. Hold down the Command and R keys as soon as you ...

How To Factory Reset Imac High Sierra? - ComoApple.com

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.

How To Factory Reset Imac High Sierra - ComoApple.com

How can I bypass administrator password? What does command-r do on Mac? Should I restore from Time Machine or reinstall macOS? What happens when you reinstall ...

How to Wipe and Factory Reset Your Mac - MacKeeper

28‏/04‏/2021 — How to restore a Mac to factory settings with Recovery mode · While in Recovery mode you wont see your usual login screen. · From there choose ...

Factory Reset Your MacBook in 4 Easy Steps - CNET

06‏/10‏/2022 — To do so shut down your Mac then turn it on and immediately press and hold four keys together Option Command P and R. You can release the ...

How to Reset a Mac Factory reset a MacBook Air or MacBook Pro

08‏/04‏/2022 — 1. Hold down the Command and R keys on the keyboard and turn on the Mac. Let go when the Apple logo pops up.