Wait, so that's what causing the LCD on this keyboard to not work?
 
Wish I had another GPU to test that theory, my LCD also won't show anything from Precision X1.  It'll show stuff from AIDA64's LCD display settings, but I don't like having yet another piece of software running behind the game, just to display data on the keyboard's LCD.
 
I can tell you I got this keyboard almost a month ago, I installed it, the LCD worked with Precision X1 like once, when I first installed it, and hasn't since.  I've tried reinstalling both softwares, using different USB plug, etc, nothing fixes it.