I have the same model and having this same issue. It doesn't show up as an option in the Armory Crate. I can't find a way to enable it. If you look at the website that shows the specs of all three models it appears that this model should have that feature. I don't understand it. ;-(
Same "issue"... purchased based on the Asus website stating that this model had this feature and found it interesting. Am finding that they are just blank holes that look like it should be there... instead of even the prettier rainbow model that is significantly cheaper. Instead it looks like a mistake in manufacturing.
I do find where it says they will option some models without - it would be very helpful to know which do and which do not before purchasing. Trying to brag about punching holes in the lid in the marketing piece... I don't have a good analogy for how ******ty that is, but "leaving it blank" isn't a "design".
Im having the issue here, plus other BS problems like my Gefore is putting my resolution to 1080p.. I can understand if my TV was connected to it, but why is it putting it so low when im using the laptop screen and it keepts dropping my FPS to 40's n 60s .... anyone else having this problem n does anyone have a solution?