Repairing a garage door starts with identifying the exact problem. Common issues include broken springs, worn rollers, misaligned tracks, or a faulty opener. Before doing anything, disconnect the power and avoid forcing the door, especially if it feels heavy, as this often signals a spring problem.For basic fixes, homeowners can tighten loose hardware, clean and realign tracks, or replace worn rollers. Lubricating moving parts like hinges and rollers can also reduce noise and improve smooth operation. These tasks usually take 30–60 minutes and require basic tools.However, repairs involving garage door springs, cables, or high tension parts are dangerous and should not be handled without proper training. These components store significant force and can cause serious injury. In such cases, calling a professional ensures the repair is done safely, correctly, and prevents further damage to the door system.