Step 1: Hold the Command + R keys until the MacBook’s utility window hasn’t opened. Step 2: Select Disk Utility and click on Continue. Step 4: Select the format as MAC OS Extended (Journaled) and click on Erase. Step 5: Wait till the MacBook is completely reset and then go back to the Disk Utility’s main window.
How do I reset my Mac without deleting operating system?
How to Wipe Everything Off a Hard Drive Except the OS
- Windows. Click the Start button and select “Control Panel.” …
- Mac. Click the Apple menu and select “Restart.” Hold down “Command-R” while your Mac restarts. …
- Manual Restoration on Windows. …
- Manual Restoration on Mac.
Will I lose everything if I reset my Mac?
This factory reset basically removes all information on your MacBook Pro and restores everything to exactly how it was set up when you purchased it. This reset can help speed up a slow computer or get rid of any files and programs that are bogging your system down.
How do I reset my Mac to original operating system?
How to revert to an old macOS using Time Machine
- Start up your Mac and immediately hold down Command + R.
- Continue holding both keys until you see the Apple logo or a spinning globe.
- When you see the Utilities window choose Restore from Time Machine Backup and click on Continue.
- Click Continue again.
How do I wipe my computer except operating system?
How Can I Securely Delete Everything Except the Operating System? Five Steps to Get as Close as You Can
- Delete and uninstall data and programs.
- Remove users.
- Run a disk cleaning utility.
- Delete some system files.
- Wipe free space.
What happens when you restore your Mac to factory settings?
You can restore your Mac to factory settings by erasing your Mac, then using macOS Recovery, the built-in recovery system on your Mac, to reinstall macOS. Important: Erasing the volume removes all the information from it. Before you start, back up your essential files and information to another storage device.
How do I restore my Mac Air to factory settings?
How to reset a MacBook Air or MacBook Pro
- Hold down the Command and R keys on the keyboard and turn on the Mac. …
- Select your language and continue.
- Choose Disk Utility and click Continue.
- Choose your startup disk (named Macintosh HD by default) from the sidebar and click the Erase button.
Is my Mac too old to update?
Apple said that would run happily on a late 2009 or later MacBook or iMac, or a 2010 or later MacBook Air, MacBook Pro, Mac mini or Mac Pro. … This means that if your Mac is older than 2012 it won’t officially be able to run Catalina or Mojave.
Does factory reset remove OS?
A factory reset effectively destroys all data stored in the unit. Factory resets can fix many chronic performance issues (i.e. freezing), but it does not remove the device’s operating system.
Does a factory reset delete everything PC?
Simply restoring the operating system to factory settings does not delete all data and neither does formatting the hard drive before reinstalling the OS. To really wipe a drive clean, users will need to run secure-erase software. … The middle setting is probably secure enough for most home users.