MY LED LIGHTS WON'T TURN ON!

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