multiadapter

Hi guys, I'm so angry right now I need help with disabling this. Specs: I7-4790k, Asus Z97A, 16gb Ripjaws 1866mhz, RTX 3080 Ti, GTX 1660. Problem is, when I use my iGPU (onboard output), my iGPU is utilizing the dGPUs which is annoying me because I use it for 3 separate purposes. Don't question...