Garage door springs are necessary to have in order for a garage door to work, but they don't always work like they should. After extremely weather or a while of being used, they can break down and need to be replaced. If you're in this situation, then you will need to hire a garage door repair technician to do the work for you. The cost for this type of service is affordable, and you won't have to spend a lot of time trying to learn something that you might not even do properly.
When the technician first gets to your house, they will look at the spring and determine if it needs to be replaced or repaired. If it does need to be replaced, then they might have that on hand, but it will depend on the brand and type that is needed. If repairs are needed, then they will grab some tools and get started working on that. In most situations the entire process won't take any more than a few hours, making this something that won't take over your entire day.
Garage door spring repair might not be something you can do on your own, but it's absolutely something you can hire a local technician to do. This is actually one of the most common types of repairs that these professionals do, so they will likely be able to figure out what's going on within a short amount of time. If you want your door to start working like normal again, then contact someone right away and don't wait around. This is not an issue that will repair itself, so there's no reason to wait to see if it will get better. Your garage door may actually work better once the repairs are finished, so you will be able to open and close it without any issues.