Remove the WiFi card from the camera then plug in and turn it on! If the Eos Utility doesn't come up, manually start it and it should recognize the camera. This worked for my 7D MKII on both Windows 10 (Eos Utility 2 and 3) and my Macbook Pro 15" mid...
I spent hours trying to figure this out because the connection from the USB that was provided was never detected either on my Mac or Windows 10 PCs. I have a 7D MKII. Tried one thing that doesn't involve installing or deleting drivers or any of that!...