u/Frequent_Current6126

I am a very new self taught hobbyist. With that ive made many mistakes and have spent countless hours trying to get projects to work and constantly failing. Recently I bought a new Adriano board and stuff started working properly. I did some investigation and figured out the 3.3v pin on my other board dose not output anything i belive ive traced it to the voltage regulator. What is the best course of action if I want to let say do projects with both the boards and need the 3.3v from that to power modules. Is there anything I can do. I need set on the right track.

Edit: the faulty board is an elegoo mega 2560