THEIR LED LIGHTS WON'T TURN ON!

Ugh, these is so frustrating! I want my LED lights to work, but they just won't switch on. I've checked the sockets - they seem alright. Maybe the wall switch is {the{ problem? I can't know what else to do! Any ideas would be greatly appreciated! Diagnosing Faulty LED Lights When your LED lights begin to malfunction, it can be a annoying experi