You only want to hire one that has a lot of experience under their belt. An inexperienced technician may end up damaging your computer further, which is something you don’t want to experience. Therefore, it’s worth the time to find out if the repair service is licensed and experienced.
You want to work with a qualified pro. Long story short, if your computer is out of order, we suggest that you look for a trustworthy repair technician to get your machine fixed. It’s not a good idea to open the case yourself in an attempt to diagnose the problem yourself if you are a novice. Hiring a pro is a safer choice.