I tried to install Snow Leopard on my 2012 iMac that shipped with Mavericks and I got a Kernel Panic.For a better experience, please enable JavaScript in your browser before proceeding.
Osx Sierra For Rocketdock 2017 Mac OS X LionI portioned my disk so I could install Mac OS X Lion on the other one.
Osx Sierra For Rocketdock 2017 Install Snow LeopardOsx Sierra For Rocketdock 2017 Mac That ShippedI made a bootable flash disk (Using disk utility, carbon copy cloner,.) using different tutorial so I guess the flash disk is fine. When I try to boot up from the flash drive I get the grey crossed circle preventing me to launch Mac OS X Lion installation. Would that method be impossible to do on these iMac models now I used to use this method in the past, so. Older versions of the operating system dont have the device drivers necessary to support later generation machines. On top of that, there is no 20.5 iMac 2017 sic. They only made 21.5 and 27 models. They both released in June of this year meaning the oldest version of macOS would be a variant of macOS Sierra. My mid-2010 Mac mini would be able to run OS X Lion. If you want to run OS X Lion 10.7 -- released in July 2011 -- you will need to acquire a system that was released prior to that date. I am sorry I have to fully disagree, I have done it many times since MacOS 8 and 9 and so on. You CANNOT boot a 2017 iMac from Lion (or older versions of the OS). Cannot be done. Period. End of story. Some older versions of the OS -can be run- IF you do so within a virtual machine using Parallels or VMWare Fusion (I think there is also a free open-source solution, cant remember the name). I am still confused and you might have an explanation to this: I managed to install Sierra and Lion (on 2 partitions) on my previous MacBook which is a MacBookPro10,1. I need Lion to run a version of the audio software Protools I need to use. The 2017 iMac originally shipped with Sierra 10.12.4 on it, so it cannot run anything older than that. Youre not going to be able to run your old version of Protools on this 2017 iMac. OS X Lion 10.7 is not going to run on a 2017 iMac. Period. END OF DISCUSSION. If you want to run that version of the operating system, you need to find hardware that was released before July 25, 2012 (the release date of Mountain Lion). It will not boot up on my 2013 MacBook Air nor my 2017 MacBook.
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