Chosen Solution

when i am going to take a photo with my NX3000 the dam menu/program settings starts changing and jumps between programs say Auto to P to panorama and so on and takes forever to take a photo

Possibly a weak battery. I would change it to a new one. Here’s how Samsung NX3000 Battery Replacement

Mode dial has either dirty contacts or is faulty. I would take it apart and clean everything accessible inside. I have two cameras with the same issue occurring “randomly“.