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 verified the fixtures - they seem alright. Maybe the wall switch is {the{ problem? I don't know what else to try! Any help would be much appreciated! Identifying Faulty LED Lights When your LED lights start to malfunction, it can be a frustrating experi