If avoiding frustration and preserving your holiday spirit are at the top of the wish list this holiday season, learning how to fix Christmas lights that are on the fritz might not seem to be ...

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.

Most new packs of Christmas lights come with a replacement fuse—which should give you a clue as to how common fuse problems are with these things. A blown fuse also causes the entire string to ...