THEIR LED LIGHTS WON'T TURN ON!

Ugh, this is so frustrating! I have my LED lights to work, but they just won't turn on. I've verified the fixtures - they seem alright. Maybe the wall switch is {the{ problem? I don't remember what else to do! Any suggestions would be really appreciated! Identifying Faulty LED Lights When your LED lights initiate to malfunction, it can be a ann