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#Is a 2012 mac too old for high sierra mac os x#
#Is a 2012 mac too old for high sierra install#
#Is a 2012 mac too old for high sierra update#
#Is a 2012 mac too old for high sierra upgrade#

Update: For macOS 10.14 Mojave (and its predecessor, macOS 10.13 High Sierra), the createinstallmedia command no longer requires the '–applicationpath' and '–nointeraction' flags, so omit them. # You will be prompted for your user's administrative password. Sudo /Applications /Install macOS Sierra.app /Contents /Resources /createinstallmedia -volume /Volumes /Sierra -applicationpath /Applications /Install macOS Sierra.app -nointeraction # The -volume value is the mounted USB flash drive partition in this case, named /Volumes/Sierra To create the bootable USB macOS Sierra installer, run the 'Terminal' application and this command: Or you can run Erase twice the first time will unmount the partition and fail, and the second time will actually do the format (which will succeed).Ĭreate Bootable USB Flash Drive Installer You can manually unmount the partition before running Erase.

Note: Under macOS Sierra, the Erase function will fail if the USB drive's partition is mounted.

(USB 2.0 and large capacity drives will take longer.) After the format completes, the partition will be mounted under '/Volumes/Sierra' (or whatever name you selected above).

The format operation may take several minutes to complete.

Click the 'Erase' button in the warning popup dialog if you get one.

Click the 'Erase…' button at the bottom.

Select 'Master Boot Record' for 'Scheme'.

Select 'Mac OS Extended (Journaled)' for 'Format'.

Input a name like 'Sierra' (this name will be overwritten later).

Click on the 'Erase' tab (or button at the top).

On the left-hand pane, select the USB drive (not the partition under it, if any).

Plug the USB flash drive into your Mac.

Because I am paranoid, I recommend reformatting the USB flash drive manually anyhow.įormat the USB flash drive using these steps: This is because the script we run to create the bootable drive will reformat the flash drive as an initial step. Note: If the flash drive is mounted under '/Volumes' successfully when you plug it in, you can skip the following steps to reformat the flash drive. The macOS Sierra installer takes up 5.1GB of space on the USB flash drive, so you will need a flash drive with a capacity of 8GB or greater. Launch the 'Terminal' application and run this command to move the downloaded installer to your user's 'Downloads' folder: To keep that file, you will want to move it out of the Applications folder so it won't be deleted after an upgrade.

#Is a 2012 mac too old for high sierra upgrade#

Note: If you run the macOS Sierra installer to upgrade your Mac, the downloaded file will be deleted automatically after the upgrade is completed. It will save the installer as an '/Applications/Install macOS Sierra.app' file (about 4.97GB in size). Run the 'App Store' application, search for 'macOS Sierra', and download it. The macOS Sierra installer is available from the Mac App Store. The best advice for installing macOS Sierra is to try again and be very patient (if you expect an operation to complete in 5 minutes, then give it at least 50 minutes). Note: The macOS Sierra Disk Utility and installer appears to be more buggy and much slower than previous versions.

#Is a 2012 mac too old for high sierra update#

Even if you buy a Mac that doesn't currently have macOS High Sierra, you'll be able to easily update to the new operating system, as long as it fits the above list.

If your Mac is too old, you could always buy a new Mac, or even a more recent used or refurbished model.

#Is a 2012 mac too old for high sierra mac os x#

MacOS Sierra (version 10.12) is the thirteenth major release of macOS (previously Mac OS X from 2001 to 2012 and OS X from 2012 to 2016), Apple Inc.' S desktop and server operating system for Macintosh.It was the first version of the operating system issued under the June 2016 rebranding as macOS.

#Is a 2012 mac too old for high sierra install#

Below are the steps I took to create the bootable USB flash drive and how I used it to install macOS Sierra. To perform a clean installation of macOS Sierra (basically, Mac OS X 10.12), I recommend using a bootable USB flash drive containing the macOS Sierra installer.