You are probably using GNOME
You should not be making any assumptions until the OP has clarified his post.
What do you mean by this?
Different distros define different runlevels, differently. Until we know the OP's distro, your advice may be bad advice.
I acknowledge that you are both trying to be helpful, but posting random, rather than specific advice is likely to lead to confusion.
I think we need more information from Stevithen before this thread goes further.
I refer Stevithen to the question posted at #2