OS X UTILITIES HOW TO
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Select Options and click Continue.įollow these steps to reinstall the latest version of macOS installed on your Mac:

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However, this has changed for the Mac that use Apple’s own processors, such as the M1 Macs introduced in November 2020 and the M1 Pro and M1 Max Macs that arrived in October 2021.Įnter recovery mode on an M1 Mac you need to press and hold the power button when you start up your Mac and continue to press and hold the button until you see a startup options window appear with an Options icon. How you do this will depend on whether you want to recover your Mac into the same version of the Mac operating system, or if you were hoping to do a clean install. What you need to reinstall macOSĪ back up: If you are planning to wipe your Mac as part of this process (either because you think that a clean slate might fix issues you are having, or because you are selling the Mac) you may want to back up your important documents first.

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If your Mac doesn’t boot in Recovery mode, read this:Ĭlean install of macOS using a bootable drive.

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Because macOS is normally installed via Software Update (or previously the Mac App Store) there are no physical installation disks, therefore Apple has made it possible to install the operating system over the internet using the Recovery HD.Ĭreate a bootable macOS install on an external drive. You're now ready to sell your Mac, pass it on, set it up as new, or restore a backup.Using the Recovery partition via which you can reinstall the latest version of the macOS you installed on your Mac.

Press the keys Command+Q to shut down your Mac.Īnd that's it.

Follow the installation prompts and allow the procedure to continue until you see the Setup Assistant appear.

Next, close Disk Utility and click Reinstall macOS.

Click Erase, confirm the action if prompted, and wait until formatting is complete.

Select the Format option Mac Extended (Journaled) or APFS.

Choose your Mac's system drive, usually named Macintosh HD, then click Erase.

Wait for the macOS Utilities screen to appear, then click Disk Utility.

Hold down the Command and R keys as soon as you hear the Mac tone indicating a reboot.

Click the Apple () symbol in the top left corner of your Mac's screen and select Restart.

Now that you've taken the above precautionary steps and unlinked your purchases and accounts, it's time to erase your Mac's drive and reset the system to its factory defaults.

Uncheck all the boxes in the list to remove copies of the related data on this Mac.

Click the Apple () symbol in the top left corner of your Mac's screen and select System Preferences.

That way you'll know for sure there isn't anything lingering on your Mac that links your Apple ID to this machine. It's also important to disable Find My Mac and sign out of ‌iCloud‌ in macOS.

OS X UTILITIES HOW TO

To learn how to de-authorize your iTunes account, check out our dedicated guide.

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Similarly, you should de-authorize your iTunes account on the Mac, as this removes its access to content that you bought from the iTunes Store, iBooks Store, or App Store, including things like music, movies, TV shows, apps, and books.

Some third-party apps require licenses that only work on a limited number of computers, so think about any licenses you may have purchased. There are certain apps that will need to be manually unlinked from your Mac before you say goodbye to it. That way, the same backup volume can be used by Apple's Migration Assistant during a macOS installation to quickly transfer your applications, files and settings from the old Mac to a new one.Ĭheck out our dedicated guide on how to back up your Mac using Time Machine. However, we highly recommend that you take the time to perform a Time Machine backup of your system using an external drive. If you use iCloud, your photos, mail, contacts, documents, and so on should be automatically backed up in cloud storage. You could do this manually by copying across files onto an external drive. If you've upgraded to macOS Monterey on a Mac with Apple silicon or a Mac with the Apple T2 Security Chip, follow the steps to erase all content and settings instead of following the steps in this article.īefore you do anything, you should back up the files on your Mac. If you plan to give away, sell, or trade in your Mac, the first thing you should do is erase the data on it and perform a factory reset.

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