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How do I reinstall Mac OS X?
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How do I boot into macOS recovery?
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Erase and reinstall macOS on an Intel-based Mac without the Apple T2 Security Chip. You can use macOS Recovery, the built-in recovery system on your Mac, to erase and reinstall macOS. Choose Apple menu > Restart, then immediately press and hold Command-R.
Sep 30, 2024 · How to reinstall macOS. Use macOS Recovery, your computer’s built-in recovery system, to reinstall the Mac operating system. Before you begin. Shut down your Mac. Start up from macOS Recovery. Reinstall macOS from Recovery. If you need help.
Sep 16, 2024 · You don't need a bootable installer to upgrade macOS or reinstall macOS, but it can be useful if you want to install macOS on multiple computers without downloading the installer each time, or if you can't install a compatible macOS from the Finder or macOS Recovery.
Apr 30, 2023 · Option 1: Factory Reset Your Mac. Option 2: Wipe and Reinstall macOS from Scratch. Enjoy Your Squeaky Clean Mac. Key Takeaways. To wipe a modern Mac with Apple Silicon or T2 Security Chip, open System Settings > General > Transfer or Reset and click "Erase All Content and Settings" to open the Erase Assistant.
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
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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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Jun 7, 2017 · Apple. Recovery lets you install onto an erased partition, but only if Recovery wasn’t erased, too! Because Recovery didn’t work, the fastest way to install fresh is to make or borrow a macOS...