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 checked the bulbs - they seem okay. Maybe the outlet is {the{ problem? I don't remember what else to try! Any help would be greatly appreciated! Identifying Faulty LED Lights When your LED lights start to fail, it can be a annoying experience. Before