How do I troubleshoot a fluorescent fixture that doesn't light?

It's probably not the bulb because they rarely go bad all at once. Wiggle the tube to make sure it is seated. Replace any damaged lamp holders. Replace the starter. Check the switch and outlet box to make sure it is getting power.

Check your state and local codes before starting any project. Follow all safety precautions. Information in this document has been furnished by the North American Retail Hardware Association (NRHA) and associated contributors. Every effort has been made to ensure accuracy and safety. Neither NRHA, any contributor nor the retailer can be held responsible for damages or injuries resulting from the use of the information in this document.