Rgb fans not showing

hi i cant seem to get the device layut corect on my new pc i have a be queit pure base 500fx case and the fans conected to the rgb hub on the back of the case but when i add the fans in signalrgb and click them they dont light up blue but when i have a effect on they work fine can i get some help with my problem

Is the hub connected to your motherboard? Can you send screenshot of your channels?