![]() ![]() The following options are presented to users after booting to the Recovery partition:Īdditionally, these utilities are present: If you wish to make such a tool, do so before installing the new version of OS X, as the Installer application is deleted upon booting post-install.ĭuring the installation, Mountain Lion will update the “Recovery” partition put in place by Lion to include a compressed version of the 10.8 installer, as well as updated versions of Disk Utility, etc. If you want to re-install the OS without having to download it again, I fully recommend having a jump drive handy. Long gone are the days of chucking in a CD and rebooting with the C key held down.Īs with Lion, it is easy to create a DVD or USB key for installing Mountain Lion. After downloading it from the Mac App Store, the app will auto-launch and install the OS. Installing Mountain Lion is very similar to installing Lion. If you attempt to download 10.8 on a machine that is not supported or doesn’t meet the minimum requirements, the Mac App Store will alert you prior to downloading. The official technical requirements from Apple are: ![]() I wouldn’t want to run Mountain Lion on just 2 GB. RAM-wise, Mountain Lion requires only 2 GB, but I’ve found that the more RAM you can cram in your Mac (or pre-order it with, these days), the better off you’ll be. From what I’ve experienced on numerous test systems, I can say that Mountain Lion does seem a bit more heavy-handed than its predecessor in this regard. Some have speculated that Apple’s left models behind that include GPUs without 64-bit drivers. EveryMac has a great page up outlining more details on supported machines and possible workarounds. ![]() In short, if your machine is 4 years old or older, you are probably stuck with Lion. Only the last generation of non-unibody MacBook Pros will support Mountain Lion. Likewise, the original MacBook Air and first two models of Mac Pro aren’t supported by 10.8. No white plastic iMacs or pre-unibody MacBooks make the cut.
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