Remove the plug from the wall. Check both ends of the light strand. Remove other lights attached to the strand. Examine the strand for broken bulbs or a frayed cord. If these are present, the fuse ...

Here’s Scalisi to explain how to change the fuse: The fuses hide in the male-side plug behind a small sliding door. First, unplug the string of lights completely.

Busted Christmas string lights can darken your holidays. Here's how to make simple repairs to burned-out bulbs, fuses, and other common problems.

If your Christmas lights aren't working, you may have tripped a circuit breaker. Or, try changing the fuse and checking for broken or missing bulbs.