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#How to boot recovery mac os x how to
#How to boot recovery mac os x install
#How to boot recovery mac os x upgrade

Once the recovery HD is restored, reboot the computer while depressing the Option key to launch the boot manager. The processes will unmount the destination drive and repartition a separate 1 GB partition to be used to copy the recovery HD to. Click the Create Recovery HD button and follow the steps to restore it from the cloned source to the destination.

A new window will come down and identify that the volume is missing the recovery partition.

Once on the desktop, launch CCC, this time selecting the destination volume, and then click the Recovery HD… button.

Insert the media with the recently cloned recovery HD and boot into it on the destination computer.

The process should complete successfully after a few minutes.

Select the source drive from the Volumes section in CCC and initiate a backup task.

This is extremely useful, especially considering that CCC can run either locally or externally from a USB flash drive or hard drive to recreate the recovery drive on an internal SSD or HDD. It can even clone the recovery partition from another Apple computer and use that to restore the partition on another Mac that is missing the partition. Though not necessary, CCC offers the ability to also clone the recovery partition on a Mac and using that image, it can also be used to create a recovery partition on an internal or external drive using a non-destructive process. The clone image can be stored on another partition either internally or externally and will appear as a selection to boot to when accessing Apple’s boot manager screen when pressing Option during the startup process. Solution 2: Restore the recovery HD using Carbon Copy Cloner 4Ĭarbon Copy Cloner (CCC) 4 is an application that can create backups of your data selectively or perform bit-for-bit backups, or block-level to allow you to effectively create a bootable image of your existing computer.

Still, if you’re feeling adventurous or have downloaded the same installer version of OS X that is currently available on your Mac (or don’t mind reformatting and restoring your data afterwards), this will definitely bring back the recovery HD.

#How to boot recovery mac os x install

Plus, it’s a general best practice to install a newer OS over an older OS, but not the other way around. Also, depending on the version of OS X currently installed on your Mac, the installer being used may be older than the current OS level, which might lead to system instability down the line. A downside is that you have to wait to reinstall OS X all over again. Reinstalling OS X - even over an existing 10.10 install - will trigger the installer to recreate the recovery partition. While not a technical solution per se, it is an effective one. Follow along below, as both tasks are described. There are, however, two ways to successfully restore the recovery partition. Sadly, the script is not compatible with Apple’s latest OS Yosemite, and the introduction of Fusion Drives and Core Storage further complicate matters, making restoring the recovery partition a largely futile effort. I’ve written about Recovery Partition Creator by Christopher Silvertooth, which has been a heaven send as the small, yet powerful app essentially scripts the entire creation process in minutes.

#How to boot recovery mac os x upgrade

While the process is largely successful, there are times when the previous recovery HD partition is either deleted during upgrade or never created for reasons unknown.

Being the first OS deployed specifically through the Mac App Store, a recovery partition was created during the installation/upgrade process that contained the files necessary to reinstall OS X should it be necessary in the future. Jesus Vigo walks you through two solutions that should do the trick.īeginning with 10.7 Lion, Apple stopped distribution of OS X through the usual DVD optical media.

#How to boot recovery mac os x how to

How to restore the recovery partition in OS X 10.10 Yosemiteĭon't despair if you need to restore the recovery partition in OS X Yosemite.