THEIR LED LIGHTS WON'T TURN ON!

Ugh, this is so frustrating! I need my LED lights to work, but they just won't power on. I've looked the bulbs - they seem okay. Maybe the wall switch is {the{ problem? I haven't remember what else to do! Any help would be greatly appreciated! Diagnosing Faulty LED Lights When your LED lights start to malfunction, it can be a annoying experienc