The difference between standard Recovery and Internet Recovery If you’ve updated to a new version of OS X before, you know.
Set the format to 'Mac OS Extended (Journaled)'. Two installers included: 10.8.0 InstallESD and 10.8.2 App Store app. Select the USB drive in the sidebar of Disk Utility, go to the 'Partition' tab of Disk Utility, and create a new partition layout with 1 partition. This is OS X Mountain Lion, released in mid 2012.
Or maybe "friend" could log into the Apple site and access the Lion download or whatever later version was on it.īTW: I thought that the Start up from OS X Recovery over the Internet using Command-Option-R was still supposed to work. Apple’s latest jungle cat is called Mountain Lion, and the new version of OS X is available as a 20 purchase in the Mac App Store. Plug your USB drive into Mac OS X, and open Disk Utility (located in the Utilities folder in the Applications folder). How to create OS X Mountain Lion installer on DVD or USB What you need Locate the installation of Mountain Lion image Burn the bootable DVD of the Lion X Mountain Lion installer Copy the installer Lion X Mountain Lion to the USB can boot Delete and format USB Copy the InstallESD.dmg file to the. How do I install High Sierra on older Mac. It did finally but not the cleanest/easiest of OS X installs I've done. How to Downgrade macOS without Time Machine Download the installer for the. PS: Apple did supply the SL disk after I called them, and actually sent it free as three techs couldn't guarantee it would work. Those models released after that date like mine, did not include the SL install disk. If that mid 2011 iMac was purchased/released before Jwhen OS X Lion was released, the original/owner/friend should have the OS X 10.6.6(min) SL Install disk.