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#OSX SIERRA ON MAC PRO 4 1 HOW TO#
#OSX SIERRA ON MAC PRO 4 1 MAC OS#
#OSX SIERRA ON MAC PRO 4 1 INSTALL#

Another issue that has been highlighted by the developer is that the trackpad in the MacBook 5,2 isn't fully supported in this version of OS. Macs that use the Broadcom BCM4321 Wi-Fi module will not have functional Wi-Fi when running High Sierra. The same applies in this case, too, since the macOS High Sierra Patcher will render your iMac 8.1 Broadcom Wi-Fi chip useless for certain models.

#OSX SIERRA ON MAC PRO 4 1 INSTALL#

The Reason Not To Install macOS High Sierra on an Unsupported MacĪs you may have already experienced with other types of officially unsupported machines, the probability of having issues is much higher.

Click the “Patch” button, and after the process has finished, click “Reboot”.

This step is important, because it contains the optimal patch for that specific model.

From the options, select the Mac model you own.

Install macOS normally, reboot back on the installer drive, and then open the “macOS Post Install” application.

Boot from the USB drive by holding down the option key after reboot.

Open the macOS High Sierra Patcher tool, navigate to the High Sierra Installer App, then select your pen drive and click “Start Operation”.

#OSX SIERRA ON MAC PRO 4 1 MAC OS#

Format a USB drive as Mac OS Extended (Journaled) via Disk Utility.While there is a full step-by-step tutorial and video tutorial available on DOSDude1's website, it’s good to get a summary of the basics, which start with downloading the macOS High Sierra Installer app from the Mac App Store: Also, a backup of your data is always a good idea in case anything goes wrong. Installing the operating system on any of these Macs will require some technical knowledge, so it is not recommended for novice users. But remember, with High Sierra you will also migrate to the Apple File System, and it is highly recommended that you first disable SIP because it may prevent the patch from working at all. If you happen to own any of the Penryn Macs mentioned above, the macOS High Sierra Patch Tool written by DOSDude1 will make running the latest software possible. Early-2008 or newer Xserve (Xserve 2,1, Xserve 3,1).Early-2009 or newer Mac Mini or white MacBook (Mac Mini 3,1, MacBook 5,2).Late-2008 or newer MacBook Air or Aluminum Unibody MacBook (MacBook Air 2,1, MacBook 5,1).

Using this still imposes certain limitations, but at least makes it possible to install macOS High Sierra on the following Macs: A developer known as DOSDude1 has written a patch that works on Macs with the Penryn architecture. Though Apple doesn't support the above hardware officially, someone has thought about sharing the love for these older machines.

#OSX SIERRA ON MAC PRO 4 1 HOW TO#

How To Install macOS High Sierra on Unsupported Macs Obsolete products are those discontinued more than seven years ago. The company defines vintage products as those that have not been manufactured for more than five years but less than seven years ago. These machines are considered obsolete and vintage by Apple.

MacBook Pro – late-2009 or earlier models.

This leaves the following Macs on macOS 10.11 El Capitan:

#OSX SIERRA ON MAC PRO 4 1 FOR FREE#

Clean 500MB of Junk for Free Which Macs Don't Support High Sierraįor some reason Apple doesn't want to allow these Macs to run one of its latest operating systems, namely macOS 10.13 High Sierra.

Osx sierra on mac pro 4 1