Jan 15, 2021 But I would rather buy a second generation silicon mac to truly take advantage of the new OS features and remain on Catalina (or HS) for everything else. Or just bootcamp your old unsupported mac to windows 10 as the main OS and macOS as secondary to bring out some of its latent potential to 2021. I could not get it to properly install on imac 9,1.
- The Reason Not To Install macOS High Sierra on an Unsupported Mac. As you may have already experienced with other types of officially unsupported machines, the probability of having issues is much higher. 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.
- How to Install macOS Big Sur on Unsupported Mac mini Booting the macOS Installer Once you finish setting up setvars EFI utility, you're ready to install macOS Big Sur on your Mac mini. Start your Mac mini and while restarting, hold down the option key and boot from 'Install macOS Big Sur'. The installer will load in a while.
With each new OS version, Apple eliminates support for older hardware, even if it's still capable of running the new OS.
Planned obsolescence or just a push for you to make an upgrade? It doesn't matter, actually, as there are still ways to use the newest OS on older Apple computers, such as:
Ibm ultrium-td3 driver. Early-2008 (or newer) Mac Pro, iMac, or MacBook ProLate-2009 (or newer) MacBook Air or unibody MacBookEarly-2009 (or newer) Mac Mini or white MacBook
Install Macos Sierra On Older Mac
What do you need?
1. An 8Gb or bigger USB memory stick2. MacOS Sierra Patcher for Mac - it will create a custom USB installation3. MacOS Sierra installation App4. AUSEnabler - it will help you get future software updates on your installation.
Install Macos High Sierra On Old Macbook
For known issues, read here.
Steps:
1. Go to Spotlight - System Information - Hardware Overview - Model Identifier and note the value. In my case was MacBook5,1
2. You need Install macOS Sierra.app in your Applications Folder.
Install Os Sierra On Older Mac
You can get this from a newer (supported system), from a friend or if you have a supported computer.
3. Run MacOS Sierra Patcher for Mac and, using the 8Gb+ USB memory stick, create a custom bootable installation kit.
4. When the creation of the tool is finished, reboot the computer, keep ALT/OPT key pressed, and select the USB device on boot.
Install Macos High Sierra On Old Mac
5. Install MacOS as usual and wait for the process to finish.It will restart, but will not work, so you need to repeat the step 4 and boot from the USB drive, to run post installation tweaks.
In the first interface after boot, select from the top menu: Utilities - MacOS Post Install
Now, you must select the correct Model Identifier for your hardware (see Step 1) and apply the suggested tweaks and reboot!
Install Macos Sierra On Unsupported Mac Os
6. Use AUSEnabler to get software updates.
That's it!