so in Minecraft, I am trying to get the coordinates on my pc, but if I press f3 nothing happens, f3+FN, nope. Its really bothering me because I am trying to see the light level of my house. And yes show coordinates is off if that had anything to do with it. I have a HP pc(I forgot which one and I am too lazy to check) and my keyboard is pretty much a Razor keyboard but deferent brand. (I also forgot what keyboard it is) Please help me this is annoying me ALOT.