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Mac mini 2012 upgrade os how to#
Mac mini 2012 upgrade os for mac#
Mac mini 2012 upgrade os install#
Mac mini 2012 upgrade os software#
Mac mini 2012 upgrade os download#

Mac mini 2012 upgrade os install#

Note the install usually restarts to a black screen with an Apple logo and a progress bar displaying the remaining time to completion, it may happen that the screen goes black and unresponsive for a few minutes. The install should complete successfully. Then, open up your Mac mini (don’t panic – you need not disassemble the entire Mac mini), unplug the secondary hard drive flex cable from the Logicboard and re-assemble it (do not attempt to restart your Mac mini without reinstalling the fan thinking that you’re smart and saving a step – your Mac mini will be toast shortly after restarting).Īttempt the macOS 10.13 High Sierra install again and ensure that you attempt it using an Administrator account that is resident on the primary hard drive (as opposed to one that is housed in an external hard drive). So, here’s what you do – disconnect all external hard drives first. It appears for some reason the macOS 10.13 High Sierra’s installer gets confused when external hard drives are connected and might be mistaking the system to be a ‘Fusion Drive’ configuration subsequently cancelling the installation midway, rolling back the changes and returning you to your pre-install macOS. So far the only surefire solution appears to be removing all connected hard drives other than the primary hard drive which must be a SSD.

The result turns out the same even after we created a USB macOS 10.13 High Sierra installer and attempted the same install using this external USB macOS 10.13 High Sierra installer. Not even manually running diskutil verifydisk disk0 in Terminal. No amount of First Aid using Disk Utility whether within macOS or in the Recovery mode worked to overcome this incumbrance.

Mac mini 2012 upgrade os download#

The App Store would download High Sierra – restart the Mac mini but half way through booting up, it would either prompt us with “an error occurred while verifying firmware” screen or restart into Recovery mode. In our experience, launching the App Store and using the automated High Sierra download and upgrade feature failed. We are upgrading this Mac mini from macOS 10.12, Sierra.

Mac mini 2012 upgrade os for mac#

This is quite a standard hardware configuration for Mac mini Late 2012 (6,2) owners who have set up their systems to get the ‘best bang for their buck’. To set the scene, we are using a Mac mini Late 2012 (6,2) which has a dual internal hard drive configuration where the primary hard drive that the macOS sits on is a SSD whilst the secondary hard drive used to house the Home folder and data is a traditional mechanical hard drive. Whether intended or not, this results inadvertently in the macOS 10.13 High Sierra installer running into trouble when faced with Mac systems that have more than one hard drive. Unfortunately we’re sad to report the future is not quite here yet.ĪPFS has been initially designed to function on pure Flash or SSD storage media, and does not support Fusion Drives and this forms the core of all that is wrong with High Seirra.

is optimised for Flash and Solid-State drive (SSD) storage.

aims to fix core problems with the waning Hierarchical File System (HFS+) and.

Its the “latest and best macOS yet”, bringing with it Apple’s new disk format, dubbed the Apple File System(APFS) that: We haven’t tried it with other Macs but the theories applied here should work the same if you are facing similar issues on other Macs.ĭespite the touted ‘ease of use’, unfortunately Apple Inc has taken two steps back with their roll out of macOS 10.13 High Sierra.

Mac mini 2012 upgrade os how to#

If an error occurs while installing an update or upgrade, learn how to resolve installation issues.In this article we highlight and provide workarounds to successfully install macOS 10.13 High Sierra onto the legendary (the last of the Mac mini’s which could be configured with dual internal hard drives) Mac mini Late 2012 (6,2). If you downloaded any apps from the App Store, use the App Store to get updates for those apps.

Mac mini 2012 upgrade os software#

When Software Update says that your Mac is up to date, then macOS and all of the apps it installs are up to date, including Safari, Messages, Mail, Music, Photos, FaceTime, and Calendar. Software Update shows only upgrades that are compatible with your Mac.

Upgrade Now installs a major new version with a new name, such as macOS Monterey.

Update Now installs the latest updates for the currently installed version, such as an update from macOS Big Sur 11.5 to macOS Big Sur 11.6.

If your System Preferences doesn't include Software Update, learn how to upgrade to macOS Monterey or upgrade to an older macOS, and use the Updates tab of the App Store app to get app updates.

In the System Preferences window, click Software Update.

From the Apple menu  in the corner of your screen, choose System Preferences.

Then follow these steps to find and install any available software updates or upgrades. Before you get started, it's a good idea to back up your Mac.