# Garage Door Science Academy: For homeowners

Source: https://garagedoorscience.com/academy/homeowner

How your garage door works, the checks you can do yourself, and the jobs to leave to a technician. Springs and cables are always a technician's job.

- [How your garage door works, and what to do when it does not](https://garagedoorscience.com/academy/how-your-garage-door-works): For anyone with a garage door and no repair experience. By the end you will know what each part does, spot a worn spring, run the monthly safety check, and know when to call a technician. (Beginner, 33 min)