I know, i know, i know... @svl7 said it's disabled, @octiceps said it's disabled and many other forum users said it's disabled.
I am always want to double check everything and i did it this time too. And i would like to post here result of my research. But first thing first - my PC:
Laptop Configuration: Lenovo Y500 SLI
CPU: Intel i7-3630QM (2400-3400 MHz, Ivy Bridge, QuadCore)
VGA: 2x 2048Mb NVIDIA GeForce GT650M (SLI Configuration)
MB: Compal LA-86
Back to topic.
Laptop Configuration (what's new):
eGPU: EVGA GeForce GTX 1080 Ti SC2 Gaming (11G-P4-6593-KB, bought used 1 year or so);
ePSU: 430W Seasonic S12II-430 (SS-430GB);
Ultrabay-to-PCI-E adapter /2 (custom made by user gerald, connected insted of second GeForce GT 650M);
HDMI Monitor Emulator (connected to eGPU).
Windows: (x64, 10 Pro, v1803, build 17134.286)
I got this result after:
1. Enable Internal Graphics Device in BI