inspecting the rollers is that they actually roll rather than sliding. they may need replacing if they look worn. look at the tracks carefully. sometimes, dirt will get on them, and this can result in the noise you are hearing. clean them with a hose to wash away any excess debris or dirt.
garage door motors can be causing the noise, especially if you door is older. if this is what is causing the noise, you should consider replacing the door. the older your door, the more things that will start to fail. garage doors are available in a wide range of materials and styles. you can choose from aluminum to 