Press and hold the Option (Alt) key immediately after turning on or restarting your Mac. Browse to Contents/SharedSupport and copy InstallESD.dmg to your Mac user Downloads folder. Plug the bootable installer into a Mac that is connected to the Internet and compatible with the version of macOS youre installing.
Recovery Partition Creator modifies your hard drive in order to create the recovery partition, and this is potentially hazardous.
After downloading, right-click the installation file (located inside Applications) and choose show package contents. How to make a recovery partition in OS X Mavericks and earlier. Download the latest Mac OS High Sierra installation from the App Store.Plus if you've upgraded the macOS installer will have replaced the OS on the recovery partition with the newer version in a clean way. It will then create a brand new recovery partition of whatever OS you installed. In this case, we will update the recovery partition on our MacBook Pro 2011 from the default 10.7 Lion recovery partition to the High Sierra recovery partition 10.13.6. Then I boot into said USB and install from there. On some older Mac’s, Internet recovery is done with key combo shift + option + command ⌘ + r. The exception are the Macs that originally shipped with a recovery DVD prior to Lion, or earlier Macs that lack the firmware update to boot into Internet Recovery. This means if you re-install Mac OS Lion 10.7 on a Mac that shipped with 10.7 and decide to upgrade to High Sierra, you will still have the Lion 10.7 Internet Recovery image. This is behavior controlled by the Apple servers and you will not be able to change the Internet recovery re-install image unless Apple decides too.
This boots to Internet Recovery mode and will only grab the version of Mac OS X that originally shipped with the Mac. Option + Command ⌘ + R (Internet Recovery):
Is created by default when you install Mac OS X for the first time. This will attempt to boot from a recovery partition on your hard drive. For example, the 10.7 recovery partition does not include the same Terminal bash commands as High Sierra, such as csrutil. This can be frustrating in certain circumstances. Mac OS does not automatically update the recovery partition on Apple computers when you update the OS or re-install a new copy of the OS. In this guide, we will update a Mac’s old recovery partition (10.7 Lion or younger) to Mac OS High Sierra 10.13.5. These steps will fail and you will receive the following message:Įrror (async): The given disk has a storage system (such as AppleRAID) which is not supported for this operation (-69718) Note: You will not be able to install a recovery partition on an Apple RAID drive. After the script completes, you will have a recovery partition created.