55+ Why Won't My Led Strip Lights Turn On. Plug the controller back into the outlet, and check for the red power led to light up. These tiny connectors are rather delicate items so you have to be very careful when inserting them.
A broken led strip usually doesn't glow at all. Typically if your led lights simply don't work it is not because the products are defective but due to a basic wiring mistake or overlook. If that doesn't do it, reverse lead polarity.
If you keep your christmas lights going all year, they will last a significantly shorter time.
If you find your flexible led strip light won't light up or power up, you may check the following troubleshooting information for help. If that doesn't do it, reverse lead polarity. If you have an entire led strip segment illuminated but notice a section of the led strip that remains dark, you may have an open circuit in one of the sections. 8 turn the switch on.