Are you using a either an ActivBoard Touch/ActivPanel Touch at all? Am I correct in saying when you go to draw/write, a select box is appearing instead?
If so, you can change this by going to File>Settings>Dual Mode ActivBoard. Below is a screenshot of the settings which will need to be changed:
If you are referring to something else, please could you provide a screenshot of what happens so we can advise further?
Promethean Technical Support