Plug in your eGPU via Thunderbolt to your Mac Mini and connect your monitor(s) to the eGPU graphics card video outputs (HDMI, DVI, Display Port).ġ9. Set the startup disk to Windows BOOTCAMP and shutdown your Mac Mini.ġ8. Copy the boot圆4.efi you downloaded to /EFI/Boot.ġ7. Rename boot圆4.efi to boot圆4_original.efi.ġ5. On your Desktop, open EFI Drive/EFI/Boot/.ġ4. Open Clover Configurator select Mount EFI -> EFI on BOOTCAMP -> Mount Partition.ġ3. Download and unzip apple_set_os.efi (boot圆4.efi) v0.5 from here or here.ġ2. If you get the “can’t be opened because of” error, see this article.ġ1.

Download and install Clover Configurator for Mac OS X. Next, we are going to install a custom configured efi boot file for Windows BootCamp to recognize the eGPU on boot.ġ0. Boot to macOS recovery mode and go to Utilities -> Startup Security Utility. We need to disable macOS boot security next.Ĩ. However, if the drivers fail to install because no card is recognized, plug the eGPU into another Thunderbolt port on your Mac, or reboot to Windows again and hot plug your eGPU.ħ. Your graphics card might show in Windows device manager but with a yellow icon and a Code 12 error. Next, (still booted in Windows) install the BootCampDrivers you downloaded in step 3. You will need to disable this port or Windows may fail to boot properly. Next, (still booted in Windows) if you are running a Mac Mini 2018 disable the Intel(R ) PCIe Controller (x16) – 1901 port in Windows device manager. Windows may attempt to install drivers for the eGPU automatically…you can cancel this.ĥ. Next, (still booted in Windows) plug in your eGPU to the Mac Mini via Thunderbolt connection. In our case, we used Adrenaline Red Gaming Edition (Best FPS).Ĥ. Next, (still booted in Windows) go to BootCampDrivers and download the Windows drivers for your graphics card. (Several users online argue against this, but installing the latest updates for Windows as of this article worked fine in our case).ģ. Once Windows is installed, run Windows system updates and ensure it is up to date. Download the latest version of Windows 10 64-Bit from the Microsoft site here and install.Ģ. Use Boot Camp Assistant to create your Windows partition. Mac Mini Configuration (Maxed out 2018 Version):ġ. Please share success stories for other eGPU’s in the comments below.

This guide should work the same for any eGPU that is compatible with macOS including Apple’s BlackMagic, Sonnet Breakaway box, Razer Core, Akitio Node, StartTech, and PowerColor Mini Pro. This setup includes using the eGPU as the main video card for the Mac Mini (Windows Boot Camp and macOS). In this guide, we setup a OWC Mercury Helios FX 650 eGPU (external graphics processing unit) chassis using a Radeon RX 580 8GB GDDR5 graphics card installed on a 2018 Mac Mini.

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