Step-by-Step Guide to Install macOS Big Sur on Older Mac Mini
Suitable for Beginners
If you have an older Mac Mini and want to upgrade to macOS Big Sur, this guide is for you. We'll use the OpenCore Legacy Patcher, which simplifies the process.
- Verify Compatibility: Ensure your Mac Mini is a Core Duo model with Intel GMA950 or NVIDIA GeForce 9400M graphics.
- Backup Your Data: Always start with a backup of your important files.
- Download macOS Big Sur: Get the macOS Big Sur installer from the App Store.
- Download OpenCore Legacy Patcher: Visit the OpenCore Legacy Patcher GitHub page and download the latest version.
- Create a Bootable Installer: Use a USB drive (at least 16 GB) to create a bootable installer of Big Sur.
- Run the Patcher: Open the OpenCore Legacy Patcher application and follow the instructions to patch the installer.
- Install macOS Big Sur: Boot from the USB drive and install macOS Big Sur as you would normally on a supported Mac.
- Troubleshoot: You may encounter some issues during installation. Refer to the OpenCore Legacy Patcher guide for troubleshooting tips.
Note: The process can be complex for first-timers. Consider seeking assistance from someone with more experience if needed.
Hello, I'm looking to buy an old Mac Mini to self host BlueBubbles and I want it to be able to run Big Sur using OpenCore. However, I also want to save some money if possible, so I want to buy an older model. What's the earliest model of the Mac Mini that people have been able to run Big Sur on with the patcher? I'd appreciate hearing what your experience was like!
I've also not very technically inclined and have never used a patcher before, so how difficult is the process? It seems a little intimidating to me.
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