Hello I have purchased a G751JY it have WIFI Intel Dual Band Wireless-AC 7260 but it have only GTX 980M without Optimus. i need the HD4600 to be installed to be able to use widi , beacause I have a Tv support miracast + wifi direct. I want G751JY ...

I have recently my G750JS. There is no HDMI audio through my reciver, I look in proprety audio but i can't find nowhere to choose digital output.I hate Intel HD 4600 is there mod bios to disable it?