How To: Reformat Mac OS X Without a Recovery Disc or Drive
As I've said before, slowing down is not an option for me. At one point, I realized that there were plenty of files on my Mac that I didn't need any more, but too many to delete individually. In other cases, your Mac can be experiencing some major malfunctions: constant crashing, locked controls, slow boot times, missing files, etc.Often, the best option to fix these problems would be to reformat your computer and reinstall your OS, but since most of us don't plan on ever taking this drastic measure, we don't obtain a recovery disc or thumb drive.Thankfully, the geniuses over at Apple have made the process easy for us—no need for a disc; no need for a drive—all you need is a decent internet connection. With just a few clicks of some buttons and your Mac is gonna be running like it did the day you got it. Best of all, this will work with Lion, Mountain Lion, Mavericks, Yosemite, and El Capitan.
Step 1: Back Up Your Files!Okay, so you may have a lot of files that you want to get rid of, but you definitely have some files you want to keep. In my case, I even have programs I want to keep so I don't have to re-download them after the process is over. Use a writable CD/DVD, a USB drive, or any of the multitude of cloud options to keep your important files backed up. You could also create a Time Machine backup, but I wouldn't do a full restore later—just pick and choose things you want back after a fresh install—otherwise it could run just as sluggishly or erratic as it did before.
Step 2: Restart Your ComputerOnce you've double-, triple-, and quadruple-checked your backups, restart your computer.
Step 3: Press CMD+RThe second you see a grey screen, hold the CMD and R keys down for about 15 seconds, then let go and you'll be taken to OS X Utilities recovery.
Step 4: Open Disk UtilityDouble-click on Disk Utility and a menu will pop up.
Step 5: Wipe Your Hard DriveThen proceed to highlight your computer's hard drive; select the Erase tab, make sure OS X Extended (Journaled) is selected, then hit the Erase button. What Disk Utility looks like in Lion through Yosemite. In El Capitan, Disk Utility looks slightly different, as you can see below. What Disk Utility looks like in El Capitan. In El Capitan, after you select the Erase tab, a pop up will appear with the details. Keep the default settings and select Erase. The option to Erase popup in El Capitan. Once erased, exit Disk Utility.
Step 6: Reinstall OS XClick the Reinstall OS X option in the menu and proceed to follow the directions. You will need to be connected to the Internet, so make sure you're plugged in via Ethernet, or are connected to a Wi-Fi network.
Voilà ! You Have a Fresh Install of OS XYou should now have a fresh copy of Mac OS X installed, and your computer is back to its factory settings. All without the need for a recovery disc or thumb drive. If you want to play it safe and create a bootable install drive for Mac OS X, you can do so using our guides here for Lion/Mountain Lion, Mavericks, Yosemite, and El Capitan.
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Quit out of the Disk Utility app, and this time choose Reinstall OS X and Continue. Follow the instructions that appear on screen, license agreements and all, and choose the hard drive to use (in
Format a Mac's Drive With Disk Utility (OS X 10.11 or Later)
Here's a step-wise process of how you can reformat your Mac OS X without a recovery DVD for manual installation of OS X Yosemite 10.10, OS X Mavericks 10.9, OS X Mountain Lion 10.8 and so on. How to Reinstall / Reformat Mac OS X without Recovery Disk or DVD Drive Step 1: Create a backup of all your files
How to reformat your Mac without a recovery drive or disk
With the advent of OS X El Capitan, Apple made a few changes to how Disk Utility works. The app has a new streamlined user interface, but it's missing a few features that used to be part of Disk Utility before OS X 10.11 came along.
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After starting up from macOS Recovery, follow these steps to install macOS: Choose Reinstall macOS (or Reinstall OS X) from the Utilities window. Click Continue, then follow the onscreen instructions to choose your disk and begin installation. If the installer asks to unlock your disk, enter the password you use to log in to your Mac.
How to Reformat your Mac without a Recovery Disk! - YouTube
Are you formatting the disk that came built into your Mac? If the built-in disk came APFS-formatted, don't change it to Mac OS Extended. Are you about to install macOS High Sierra or later on the disk? If you need to erase your disk before installing High Sierra or later for the first time on that disk, choose Mac OS Extended (Journaled).
How to reinstall MacOS if recovery won't work or you don't
All without the need for a recovery disc or thumb drive. If you want to play it safe and create a bootable install drive for Mac OS X, you can do so using our guides here for Lion/Mountain Lion , Mavericks , Yosemite , and El Capitan .
How to reinstall macOS from macOS Recovery - Apple Support
If you have a problem with your Mac and need to reinstal the operating system you should be able to simply reinstall macOS (or Mac OS X) via the Recovery partition. In this article we'll look at
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In today's video, we're showing you how to completely reformat your Mac back to factory settings without the need for a recovery disk or drive. Check out the video above to see how!
How to Reformat / Reinstall OS X without Recovery Disk or DVD
In today's video, we show you how to completely reformat your Mac and set it back to factory settings, all without the need for a recovery disk or drive. Check out the video above to see how!
formatting - How to format my mac without the installation
How to Reformat Mac OS X Without a Recovery Disc or Drive
If you do, you must restart from the disc again to access Disk Utility. Click the Erase tab. Click the disclosure triangle to the left of the hard drive icon to display the names of your hard disk volumes and partitions. Select your Mac OS X volume. Highlight the drive, select Partition Tab, then Format type
Make Your Mac Feel Like New Again With a Fresh Install of OS X
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