THEIR LED LIGHTS WON'T TURN ON!

Ugh, this is so frustrating! I want my LED lights to work, but they led lights that don t need to be plugged in just won't turn on. I've looked the bulbs - they seem okay. Maybe the wall switch is {the{ problem? I can't remember what else to try! Any ideas would be really appreciated! Identifying Faulty LED Lights When your LED lights initiate