+18 Half Strand Of Fairy Lights Out References. Once you find the faulty bulb, unplug the associated light strand from the outlet and replace the faulty bulb with a new bulb. Simply stick one of your lights to the wall, either from the bulb or the wire, and let the rest dangle down in a festive trail.
If half a strand is working and the other half is not, you may have a broken bulb. Yes, it is possible to repair a faulty led christmas light string. Need help with a strand of christmas lights?
