It's an unfortunate reality that sometimes Christmas lights stop working or become damaged. If you have a strand of lights that isn't working, there are a few things you can try to fix them. First, check the cord for any breaks or frayed areas. If there are any, you can cut the damaged area off and use wire strippers to expose fresh wire. Then, twist the exposed wires together and use electrical tape to cover the connection. Next, check the fuses in the strand. If the fuse is blown, replace it with a new one. If that doesn't work, it's likely that there's a problem with