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How to Unlock Recovery HD on Mac OS X Lion

If you're starting from scratch, you'll need to set up your Mac from scratch. How to set up and customize your Mac from scratch.

If you have any more questions about reinstalling macOS on your Mac, let us know in the comments. What would it be like if a dog manned the International Space Station? Are you looking for an iPad Pro Never fear, we have you covered with these awesome back cover cases! Joseph Keller is a senior writer at iMore.

3 Ways to Fix 'Couldn’t Unmount Disk' Error on Mac

An Apple user for more than a decade and a half, he spends his time learning the ins and outs of iOS and macOS, always finding ways of getting the most out of his iPhone, iPad, and Mac. Skip to main content. Black Friday at Dell: Check out the best deals now!

How to Make a Bootable USB Recovery Disk (Mac OS X)

Forums Shop Toggle Search. Here's how to reinstall macOS using Recovery mode. Press Command - R to install the latest version of macOS that was installed on your Mac without installing a later version. Press Shift - Option - Command - R to install the version of macOS that came with your Mac, or the version closest to it that's still available.


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How to check your startup disk with Disk Utility in macOS Recovery mode The first thing you'll want to do is make sure your Mac's startup disk is healthy. Click Continue. Click on your Mac's startup drive in the Disk Utility sidebar.


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  6. It should be the drive at the top of the sidebar if there are multiple drives. Click First Aid. Click Run. First Aid will run, checking the health of your Mac's drive.


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    This process could take a little while. Click Done. Click Disk Utility in the Menu bar. Click Quit Disk Utility. How to erase your startup disk in macOS Recovery mode If you need to start completely fresh, then you'll want to erase your startup disk using Disk Utility.

    How to fix common Mac problems

    Time Machine can back up one day, one week or a whole month. The issue with it is that once the backup drive is filled, the oldest of the backups are gradually deleted to free up more space for the latest backups. Installing or uninstalling an operating system on your Mac is another powerful feature offered by Recovery HD. It lets you download any version of the OS X via the Internet. Otherwise, you might find yourself in an urgent need of help with writing papers if your current assignment has been damaged, especially when the deadline is looming.

    Why use Disk Utility

    In some cases, the Recovery HD may be locked. Follow our detailed instruction to let all the processes go smoothly and without any extra hustle. MacProCleaner November 16, 0 Comment.