There you go: https://support.apple.com/en-us/HT208544 https://support.apple.com/en-us/HT208544 > 1. If you have a Mac mini (2018) with FileVault turned on, ma

There you go: https://support.apple.com/en-us/HT208544 https://support.apple.com/en-us/HT208544 > 1. If you have a Mac mini (2018) with FileVault turned on, make sure to connect your primary display directly to Mac mini during startup. After you log in and see the macOS Desktop, you can unplug the display from Mac mini and connect it to your eGPU.