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Sep 30, 2024 · You can use macOS Recovery, your computer's built-in recovery system, to reinstall the Mac operating system. Reinstalling macOS doesn't remove your personal data.
- Create a bootable installer
Use Terminal to create the bootable installer. Connect the...
- Create a bootable installer
- Overview
- On a Mac with Apple silicon
- On an Intel-based Mac with the Apple T2 Security Chip
- On an Intel-based Mac without the Apple T2 Security Chip
You can erase your Mac and use macOS Recovery, the built-in recovery system on your Mac, to reinstall macOS.
WARNING: Erasing your Mac removes all the information from it. Before you start, back up your Mac with Time Machine.
Your computer must be connected to the internet. If you’re reinstalling on a Mac laptop, plug in the power adapter.
1.Erase your Mac using Erase Assistant.
2.Restart your Mac.
3.Choose Apple menu > Shut Down, press and hold the power button until “Loading startup options” appears, select Options, click Continue, then follow the onscreen instructions.
Your computer must be connected to the internet. If you’re reinstalling on a Mac laptop, plug in the power adapter.
1.Erase your Mac using Erase Assistant.
2.Restart your Mac.
3.Choose Apple menu > Restart, then immediately press and hold one of these key combinations, depending on what you want to do:
•Install the latest version of macOS compatible with your computer: Option-Command-R.
•Reinstall your computer’s original version of macOS (including available updates): Option-Shift-Command-R.
Your computer must be connected to the internet. If you’re reinstalling on a Mac laptop, plug in the power adapter.
1.Choose Apple menu > Restart, then immediately press and hold Command-R.
2.In the Recovery app window, select Disk Utility, then click Continue.
3.In Disk Utility, select the volume you want to erase in the sidebar, then click Erase in the toolbar.
4.Type a name for the volume in the Name field, click the Format pop-up menu and choose APFS, then click Erase Volume Group.
5.When the erase process is complete, click Done, then choose Disk Utility > Quit Disk Utility.
Apr 30, 2023 · Quick Links. Before You Begin: Back Up Your Files. Option 1: Factory Reset Your Mac. Option 2: Wipe and Reinstall macOS from Scratch. Enjoy Your Squeaky Clean Mac. Key Takeaways.
Sep 16, 2024 · Use Terminal to create the bootable installer. Connect the USB flash drive directly to your Mac. Open Terminal, which is in the Utilities folder of your Applications folder. Depending on which macOS you downloaded, enter one of the following commands in Terminal.
Learn how to reinstall the operating system on your Mac, using macOS Recovery. To learn more about this topic, visit the follow article:...more.
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Make a copy of the macOS installer on a USB stick, reformat your drive and then install the macOS onto your Mac from the installer. Use macOS Recovery to reinstall macOS via the web.
May 14, 2021 · It’s incredibly easy to reinstall macOS thanks to the macOS Recovery partition Apple includes in its Macs. That means you don’t need to be a computer whiz to get the job done. We’ll show you exactly what you need to do below. Related: How To Fully Wipe Mac Hard Drive When Selling It; How To Factory Reset a MacBook Air or Other Mac With macOS
