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 fixtures - they seem alright. Maybe the outlet is {the{ problem? I can't know what else to do! Any suggestions would be much appreciated! Troubleshooting Faulty LED Lights When your LED lights start to fail, it can be a painful experience.