You're not alone if your garage door won’t open or close. Many homeowners face this problem at some point. Before panicking, know that simple troubleshooting can fix most issues. If you live in South Florida and need Garage Door Repair in Kendall, it’s important to understand the possible causes before calling in a professional.1. Power Source ProblemsYour garage door relies on a power source to function. If it suddenly stops working, check the power first.Disconnected or faulty power supply ...