The solution to this is twofold: Create a bootable High Sierra installation USB media, and secondly to address updating the recovery partition (another post)įollowing instructions posted on another site for installing High Sierra Beta, I modified the instructions to point to the non-beta name for the installation app, and updated it to reflect using a temporary location for the Installation app (in my case, I moved it to /Volumes/Data from my Synology NAS as a local working directory)įirst, create a blank HFS+ formatted USB stick called “HighSierra” (the name must match the name referred to in the example script shown below). So you can see, if I wipe this old laptop again, there’s a long way to get it to the most current OS and patch level. Well, one can’t run the High Sierra installation from Lion, the required steps are install Lion -> install Sierra -> install High Sierra. Internet recovery brought it all the way back to Lion! I had run Ubuntu on it for a while, and wanted to go back to macOS, but there was no recovery partition. It’s a mid-2011 MacBook Air, and the most recent OS it can run is High Sierra. I have an older laptop at home that I use as a backup. Well, these days it’s usually easier to just use a USB stick to get the job done. In a previous post, I discussed c reating a macOS High Sierra installation ISO.
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