This article will show you how To Install macOS High Sierra on Unsupported Macs. For the first time in a few years, Apple stopped supporting some of its hardware types with macOS Sierra. They said that a lot of machines couldn’t run Sierra because they weren’t compatible or had bad hardware.
But many Mac owners have questioned their motives because some machines made the cut while others, like the MacBook Pro, that were more powerful were strangely left out. Some people think that Apple is just raising the bar to get people to change their hardware, and that there isn’t always a good reason why a machine can’t be supported.
This turned out to be true in many cases, and a tool by dosdude1 called macOS Sierra has brought back many of the “unsupported” machines with a few tweaks and changes. What if you have an older Mac or MacBook than those listed above? This means that, officially, you can’t update your Mac to macOS Ventura unless you follow this process.
How To Install macOS High Sierra on Unsupported Macs
Installing the operating system on any of these Macs will take some technical know-how, so it’s not a good idea for people who are just starting out. Also, you should always make a copy of your info in case something goes wrong.
You can find both a step-by-step guide, but it’s good to get a quick overview of the basics, which start with getting the macOS High Sierra Installer app from the Mac App Store:
- Format a USB drive as Mac OS Extended (Journaled) via Disk Utility.
- Open the macOS High Sierra Patcher tool, navigate to the High Sierra Installer App, then select your pen drive and click “Start Operation”.
- Boot from the USB drive by holding down the option key after reboot.
- Install macOS normally, reboot back on the installer drive, and then open the “macOS Post Install” application.
- From the options, select the Mac model you own. This step is important, because it contains the optimal patch for that specific model.
- Click the “Patch” button, and after the process has finished, click “Reboot”.
Reason Not To Install macOS High Sierra on an Unsupported Mac
As you may already know from other types of machines that aren’t officially approved, the chances of having problems are much higher. The same is true here, since the macOS High Sierra Patcher will make your iMac 8.1 Broadcom Wi-Fi chip useless for some types.
If High Sierra is running on a Mac with a Broadcom BCM4321 Wi-Fi card, the Wi-Fi won’t work. The creator has also pointed out that this version of OS doesn’t fully support the trackpad on the MacBook 5,2. If you want to know more information about this Visit Official Apple Support site.
These are just some of the problems that could happen, and that’s not even discussing the software problems that could happen if you use old hardware. If you don’t know what you’re doing, you’ll have to put the Mac back to how it was before. This won’t be easy, especially if you don’t have a Time Machine backup.