I have an original account but it is not logging on to other computers

Hello, I have an original account with the name ´´Prodine06´´ that is logged on my notebook, but for some reason when I started the session on another pc with this same account, it was not registered as original and I was unable to connect. I tried to see it through my Official Minecraft account and it said that I hadn't bought the original minecraft in it, only that it is still connected to my notebook.