THEIR LED LIGHTS WON'T TURN ON!

Ugh, this is so frustrating! I want my LED lights to work, but they just won't switch on. I've looked the bulbs - they seem okay. Maybe the outlet is {the{ problem? I don't know what else to do! Any help would be much appreciated! Diagnosing Faulty LED Lights When your LED lights begin to act up, it can be a painful experience. Before replacing