MY LED LIGHTS WON'T TURN ON!

Ugh, this is so frustrating! I need my LED lights to work, but they just won't power on. I've verified the sockets - they seem fine. Maybe the wall switch is {the{ problem? I can't remember what else to try! Any suggestions would be much appreciated! Diagnosing Faulty LED Lights When your LED lights start to fail, it can be a annoying experienc