If you're not able to open your garage door at all, or the mechanism is moving slower than it used to do, and you've made all the repairs needed during inspection of the door itself, the problem is likely rooted in the garage door opener. Today's models operate by a motor that opens and closes the door by moving a carriage with drawbar across a rail located just above the door.
My one mild complaint is the seemingly excessive safety measures taken when you close the door. The alarm is, well, alarming. And the flashing lights tend to frighten people who aren't expecting them. I've seen Craftsman smart garages that just close like normal. I'd really prefer to not have a small light show announcing my door is closing every time.
We offer garage door spring repair in Naperville, IL. A broken spring can be dangerous and we recommend hiring a professional garage door company, whether it is us or someone else. Whether it is extension spring repair, or torsion spring replacement, we can fix it. We know how important it is for you to get your garage door fixed especially in the cold winters we have in the Western Suburbs of Chicago.
I'm not a professional, but I watched as my garage doors were serviced last year. The tech used a spray lubricant (I had bought a different brand in the garage door section of a home improvement store). He sprayed the inside of the entire track, top and bottom, the rollers that ride along the track, and all hinges on the door. He sprayed each hinge twice -- once on each side. The techs were more generous with the lubricant than I was when I'd done it before, so don't be afraid to give it a good squirt.