The setup process installs a development kernel with the required SGX features enabled. This kernel is not signed. Secure Boot must be set to DISABLED in your BIOS configuration to allow it to boot.
A bios upgrade might be necessary for your system to activate SGX support. Please consult the hardware manufacturer. Software Guard Extension (SGX) must be set to ENABLED in the system BIOS.
If your CPU or System/BIOS lacks SGX support, please consult the section on the topic to find compatible hardware: