Your garage door won't close or goes back up: what to check first
Garage Door Science
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Describe the exact behavior — door reverses, lights blink, nothing happens. We'll narrow it to likely causes and tell you if it's DIY-safe or stop-and-call-a-pro.
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Transcript
Ever press your garage door button only to watch it reverse or not move? Annoying, right? Most fixes are simple. Check the photo-eye sensors at the doorframe base. They need alignment with nothing blocking them. A solid LED means they're working. Blinking or no light means trouble. Inspect tracks for obstructions. If you heard a loud bang, a broken torsion spring may need professional help.