If you plan to sell or give away your Mac, you need to erase your Mac’s startup disk. Turn on or restart your Mac, then immediately hold down one of these combinations: 2. By default, the best thing you could do before making any significant changes to how your Mac works is to back it up. While your computer is restarting, press and holding the Command + R keys.
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If Mojava is installed to a Mac OS Extended (Journaled) volume, proceed as follows: Boot to the USB High Sierra installer Open the Disk Utility Erase the Mac OS Extended (Journaled) volume containing Mojava Quit the Disk Utility Install High Sierra to the erased Mac OS Extended (Journaled) volume. Type a name for the volume in the Name field, click the Format pop-up menu and. Hold down the ‘c’ key as soon as you hear the chime, then let go when you see the Apple logo. Before you start, download and install AppCleaner. Download MacKeeper and try it for yourself: Erase and reinstall macOS, which was factory-preloaded. This will reinstall OS X system files and leave your home directory, settings, documents, etc alone. If you booted from a functioning recovery partition, click the “Reinstall macOS” button. Click Erase and fill in the name, format, and Scheme. It’s the “lite” version of a full wipe since you don’t need to erase the disk if you just want a. Damaged Startup Drive: If the Catalina installation resulted in the startup drive being damaged, you may not be able to make use of the Recovery mode to use Disk Utility to repair.
You probably don't need to erase, unless you're selling or giving away your Mac or having an issue that requires you to wipe. Recovery Mode in Mac is a heap of beneficial tools and the best way to erase and start reinstalling from starch. Format: APFS or Mac OS Extended (Journaled), as recommended by Disk Utility. The startup disk is built-into your MacBook.
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How to Update & Reinstall macOS Without Losing Data *Print this page or open this page on another device so you can refer to it later. Cleaning your Mac is generally a healthy practice but since we’re about to back your Mac up, it’s worthwhile to get rid of system junk first. How to Uninstall Mac Software the Thorough Way.
Select Reinstall macOS from Utilities Window.
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6), or any previous system, insert the appropriate Mac OS X install disc and restart the computer.
Installing the same version of macOS can sometimes repair corrupted installations. Enter Recovery Mode Step 3: Erase the Mac Hard Disk This is an optional step during the reinstall macOS process as a lot of people would like to delete the existing data on their system. Edit the “Erase and Install macOS Big Sur” policy or clone it to make a new one and rename it to “Upgrade to macOS Big Sur”. Reinstalling macOS of macOS Recovery can help you replace the current problematic OS with a clean version quickly and easily. Erase and reinstall mac Here's how to erase your hard drive and reinstall the operating system on your Mac, whether it has Apple's M1 chip or features Intel components.
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