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 verified the fixtures - they seem fine. Maybe the wall switch is {the{ problem? I don't know what else to try! Any suggestions would be greatly appreciated! Troubleshooting Faulty LED Lights When your LED lights start to act up, it can be a painful ex