![]() ![]() After that, then you can try upgrading to macOS 10.7 Lion, then to 10.11 El Capitan.Įven with macOS 10.11 this laptop will be extremely out of date. If you don't have access to another 2008 to 2015 Mac, or if the macOS 10.11 USB installer won't install because of a firmware issue, then you really need to find a retail copy of the OSX 10.6 Snow Leopard installer DVD in order to get Snow Leopard installed on this laptop. I doubt it is easy and I doubt it is possible. pkg file, I have no idea if there is any way of creating a bootable macOS 10.7 installer from the "Install OS X Lion" installer app located within the Applications folder. Even if you can extract the real installer from the. pkg file likely won't be able to extract the real installer app to the Applications folder. Unfortunately the macOS 10.7 installer you have downloaded can only be run from within macOS 10.6. Please read those instructions very carefully as there are multiple steps to extracting the macOS 10.11 installer to the Applications folder so that the Terminal commands can be used. ![]() How to create a bootable installer for macOS - Apple Support pkg "installer extractor" to place the real macOS installer into the Applications folder): If you have access to another Mac from 2008 to 2015, then you can use the instructions in this Apple article to create a bootable macOS 10.11 El Capitan USB installer as this is the only way to extract the installer from the. Unfortunately Apple does not provide any information or details regarding these things. Unfortunately Apple just assumes users are keeping their Macs up to date with every OS update and upgrading to a new OS every year which would keep the system firmware up to date. IIRC, macOS 10.7 sometimes added some critical firmware upgrades that may be needed for later versions of macOS. If this laptop never had macOS 10.6 or 10.7 installed, then it may not be possible to install macOS 10.11. ![]()
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