THEIR LED LIGHTS WON'T TURN ON!

Ugh, this is so frustrating! I have my LED lights to work, but they just won't turn on. I've looked the fixtures - they seem fine. Maybe the wall switch is {the{ problem? I can't know what else to try! Any help would be greatly appreciated! Identifying Faulty LED Lights When your LED lights begin to malfunction, it can be a frustrating experien