Install OS El Capitan Safely to New Partition & Dual Boot Yosemite

Check tutorial of How to Install OS X El Capitan Safely to New Partition & Dual Boot Yosemite

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Mac users who choose to dabble in early releases of OS X El Capitan will find that dual-booting the release alongside OS X Yosemite or OS X Mavericks is a better solution than simply updating their primary OS X installation. An easy way to do this is to partition the Mac’s hard drive and install OS X El Capitan on that new separate partition, this will ensure OS X El Capitan 10.11 stays away from the stable build of OS X 10.10 or 10.9, and user to boot between the Mac OS releases as they see fit.

Before you start, you need the following:

  • Sufficient space on the hard disk available to partition the drive in question and install OS X El Capitan on that new partition (a minimum of 40 GB is recommended for free, with a minimum of 20 GB for El Cap – neither Mac OS X installation will run out of available disk space as performance will suffer greatly)
  • Back up the Mac With Time Machine, don’t skip this, partitioning a Mac and installing new operating systems involves some risk and you don’t want to be in a situation where you suffer permanent data loss simply because you don’t up. So complete a back up first.
  • The OS X El Capitan installer, whether that’s running directly from the / Applicaitons / folder as downloaded from Apple, or already created in a bootable El Capitan installation drive doesn’t matter, both work fine
  • Finally, you want to make sure that the Mac can run OS X El Capitan, the system requirements are pretty forgiving, but check it anyway

So you supported up and meeting all requirements, you are good to go. We will partition the drive and then install OS X El Capitan on that new partition. By the way, if you are using a bootable installer, you can run this partitioning process directly from there.

Create a new partition and install OS X El Capitan to double boot the Mac

  1. Open Disk Utility and select the hard drive you want to partition from the menu on the left (often referred to as ‘Macintosh HD’)
  2. Click on the “Partition” tab
  3. Click on the [+] plus button to create a new disk partition on this volume, give it an obvious name, such as “El Capitan”, and resize it accordingly
  4. Create a partition for OS X El Capitan dual booting on the same Mac hard drive

  5. Click “Apply” to create the new partition, and when prompted, confirm that you want to partition the destination volume, allow the partition to complete the creation, and exit Disk Utility.
  6. Confirm the creation of a new partition for El Capitan

  7. Run the application “Install OS X El Capitan”, agree to the TOS and when the drive selector is displayed up, click on ‘Show all drives’
  8. Show all drives for installing OS X on a separate partition

  9. Select “El Capitan” (or whatever the disk partition you created is called) and choose “Install”, let the installation complete and the Mac will automatically reboot into OS X El Capitan when you’re done
  10. Select the target drive to install OS X El Capitan on the Mac

Now that OS X El Capitan is running on the alternate partition, but on the same Mac, you can easily switch between the two boot disk operating systems by rebooting and holding the OPTION key – this will open the boot manager before OS X loads so you can choose which version of Mac OS X you want to run. For example, if you’re running OS X El Capitan on the same Mac that also runs OS X Mavericks, or OS X Yosemite (or both), you can easily switch between the two by rebooting and selecting the intended boot partition when restarting. the system.

This is a great way to safely test out OS X El Capitan without disrupting a more stable version of OS X running on the same Mac. Similarly, you can also install OS X El Capitan on a completely separate hard drive or even an external drive, as long as it’s bootable and you select it in the installer app’s target.

OS X El Capitan on a Mac

If at any point you want to delete El Capitan and reclaim disk space, you can do it back in Disk Utility by deleting the El Capitan partition, but just as before, don’t skip the backup process first.

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How to Install OS X El Capitan Safely to New Partition & Dual Boot Yosemite: FAQ

Tutorial Summary: How to Install OS X El Capitan Safely to New Partition & Dual Boot Yosemite

In this guide, we told you about How to Install OS X El Capitan Safely to New Partition & Dual Boot Yosemite; please read all steps so that you understand How to Install OS X El Capitan Safely to New Partition & Dual Boot Yosemite in case if you need any assistance from us, then contact us.

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What is actual time in which this method complete?

The time to complete the How to Install OS X El Capitan Safely to New Partition & Dual Boot Yosemite tutorial is 10+ minutes.

What are the supported Device?

Apple

What are the supported Operating system?

mac OS


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