Me and my friend have been trying to fix this issue with his laptop for 2 weeks now everytime the graphics card utilization crosses the 35-40% the wifi driver completely disappears and in device manager the triangle symbol shows up near the wifi adapter which is intel ac 9560. We tried everything from network reset, reinstalling all drivers including Nvidia, wifi driver, bluetooth driver, integrated graphics driver, changing the wifi to 20mhz and the adapter to 20mhz, changing power plan to resetting windows but to no avail none of them worked the lap is asus fx504gm with i7 8750H, GTX 1060 6gb, 8gb 2666Mhz ram and intel wireless AC 9560 and DNS flush was not working.