I installed the minorin however it wasn't exactly what my community wanted, so i uninstalled it, however now the default xenforo editor won't show either
I am not familiar with that addon. But I suggest creating a new style to see if the problem exists on the default style. If it doesn't then you know it's a problem with your style and you can go from there.
Also, what browser are you using? FF9 had editor problems for a while, but that was fixed in XF 1.1.1: