- #MAC OS HIGH SIERRA REVIEW VS YOSEMITE HOW TO#
- #MAC OS HIGH SIERRA REVIEW VS YOSEMITE INSTALL#
- #MAC OS HIGH SIERRA REVIEW VS YOSEMITE UPGRADE#
Its the first version of Apples new APFS file system which still was buggy! And to add to it APFS is a very chatty dialog over what HFS+ (journaled file system) uses. These files have a refreshed certificate so you won’t encounter the expired certificate issue.Īs to going with high Sierra, frankly I don’t recommend it.
#MAC OS HIGH SIERRA REVIEW VS YOSEMITE HOW TO#
Review this Apple T/N How to get old versions of macOS. So you have to get a fresh image file from Apples server’s.
#MAC OS HIGH SIERRA REVIEW VS YOSEMITE INSTALL#
Here’s a bit more explaining things: If you've got an old macOS install image, it will probably stop working today Well that sorta backfired as people wanted to still use their systems. What you likely have are ones which have an expired certificate! Apple had set an expiration date to force people to newer OS versions. So lets first talk about getting the proper OS installer files. I also don’t go to such extremes to install OS’s. I think you are facing a few issues here. I've tried every available piece of advice I've found in the past few days, and I'm still stuck. My only other device at the moment is an ancient chromebook. I would be truly appreciative of any advice. One thing I have noticed is that there is another root copy of the Install high sierra.app in root (/.), which does not have the SharedSupport dir. Hdiutil verify "/Volumes/Image Volume/Install.High Sierra.app/Contents/SharedSupport/InstallESDDmg.pkgĪnd it comes back valid after a few minutes. The machine isn't frozen, it just doesn't advance into the installation. Now when i boot to USB (holding Option, which goes automatically to Recovery screen), i select "Install MacOS" option, click Continue, and then nothing happens. I booted into recovery mode, and formatted the destination disk as Extended (Journaled) with GUID scheme per the usual instructions.
The only notable mention is the step of copying the contents of the full Install directory into the Contents/SharedSupport/ dir. app applicationpath and following the instructions from part (b) discussed here: Installer resources couldn't be found." At this point I created the USB installer via terminal (createinstallmedia) on a 16GB stick. During this process the full installer downloaded, the system restarted, and it stopped with the error "MacOS couldn't be installed on computer.
#MAC OS HIGH SIERRA REVIEW VS YOSEMITE UPGRADE#
Initially i backed everything up onto an external HD (no Time machine backup), downloaded the High Sierra.app installer (the small partial one), and ran it hoping that the upgrade would just work. Yosemite was on the machine when i bought it, and I doubt if it's listed in my appstore purchases (it was bought second hand). The install fails, and I have spent days trying to find a workable solution.
I am trying to upgrade the OS from Yosemite (10.10.x) to High Sierra.
I have a Late 2009 iMac that i purchased second hand in 2015.
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