5/03/2011
Install Mac OS 10.7 Lion on a unsupported Mac system
The minimum requirements for Mac OS X 10.7 Lion is a Core2Duo processor. These system requirements are being checked when you start the installation, if the requirements are not met then the install will be aborted. If you own another Mac that is capable of running Mac OS X 10.7 you can install this on a USB hard drive. And using the following trick it is possible to use your USB Hard Disk to install Mac OS X on a system that has unsupported hardware.
Run the installation on a Mac that meets the minimum system requirements. After installation, remove the property list: PlatformSupport.plist which can be found in the following folder.
Root ▸ System ▸ Library ▸ Coreservices
Now connect the external USB HDD to your Mac that isn’t supported and run in with the Alt ⌥ key pressed. Select the USB Hard Disk and Mac OS X 10.7 will start without any problems.
So if you own an old Mac and want to test Mac OS X Lion without using your current system, this might be the way to do it. This will probably not work in the final version, which will probably have multiple built-in checks.
You can visit our howtos column for more Mac tips and tutorials. We’ve also written an article on Top 10 Best Mac Video Encoding Apps that’ll give you a bit of inspiration when you are looking to download and convert some videos to your Mac.
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