Check to see if the bulb is tight in the socket.
Troubleshooting outdoor lights. Sometimes we take advantage of the fact that when we flip a switch the light comes on. Look at the solar panel and see if it is dirty then follow steps on cleaning the solar panel and see if that helps the system function properly. It should fix the overridden system and turn the lights off.
Like all batteries the one in the fixture has a limited life usually between 2 and 3 years but eventually the battery will fail. Push the batteries back in place and try the light again. And let it be turned off for a minute or two.
Troubleshooting outdoor Christmas lights. If plants have overgrown the photocell we recommend switching to the more reliable astronomical clocks that adjust to changing nighttime hours. The power isnt the issue.
Ensure your outdoor solar lights are receiving sufficient amount of sunlight. You can cover it with black electrical tape to see if it turns on and then remove and make sure it turns off. Start by plugging the lights into the electrical outlet.
Repair the damaged wire and clear the fault. DO NOT support the ballast by power cord s andor lamp cord s. It happens to the best of us.
Make sure the lights are not plugged in. But when it comes to ensuring your system will last a lifetime managing voltage loss is key. Clean the bulbs and fixtures to remove rust dust soil and debris.

