dmg disk image, which you can restore to a USB key the same way as explained in the Ars Technica article above.īasically, you'll need to open Disk Utility, then select your 8 GB USB key, partition it fully with Mac OS Extended (Journaled). The internet is full of … "places" where you can find installer images for OS X versions. If you don't have access to a Mac with App Store installed, you need to find your installer elsewhere. It requires you to download the installer through the App Store just like above, but creating the USB drive is now way easier.
Lion Disk Maker is an application that you can use to burn a DVD or build a bootable drive from Mac OS X Lion or OS X Mountain Lion Installation program. Not feeling like hacking? Let Lion DiskMaker do the job for you: Ars Technica has an in-depth guide on how to do that: How to create a bootable, backup Mountain Lion install disk Once you downloaded the installer you can create a bootable flash drive using /Applications/Install OS X Lion.app. They don't appear to do this anymore but maybe you can find one.ĭownload the OS X Lion installer from another Mac's App Store using your Apple ID. Given your vague error description it's hard to diagnose the problem here, but this is the usual way to go.Īpple used to sell USB keys with a Mac OS X Lion installer on it for around $60. Apple has details on this here: About OS X Recovery – basically, given high speed internet access and enough time, the recovery partition installed with Mac OS X Lion or OS X Mountain Lion should enable you to download the installer. Now that I wiped the older SSD I have no drive that works.If you don't have access to another computer: The cables are fine as it reads older drives. I did my research and watched many YouTube videos showing this working. The New SSD works on my 2010 macbook but not on this 2009 MacBook Pro. I’m experiencing a lot of inconsistencies. ‘‘‘This operating system cannot be installed on this computer and to contact the manufacturer etc….’’’ It wiped the old and started the install the new but was abruptly by a message saying: It worked so I decided to wipe it and reinstalling a clean OS-X using Command+Shift+PR etc… It detected El Capitan as the OS-X to reinstall. SO I decided to install this SSD into my 2009 Macbook Pro but all I got is a flashing Question Mark! I decided to put this new Samsung EVO SSD (250G) into my optical drive on other laptop (17” MacBook Pro) I successfully Loaded High Sierra on it. I pressed it and it disappears and thats it. I pressed OPTION on the keyboard and the Installed icon came on. I was upgrading the drive doing it via a High Sierra bootable drive I made on my iMac but that doesn’t work. Orignal drive works but slow so I wanted to upgrade.
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