At the risk of embarrassing myself I thought that I should let you all know the solution to my problem in case it is of any help to other members in the future.
It turns out that it was installed (which I knew) and working all along (which I didn't) I had just failed to press the "Info" button enough times to get ML to appear on the screen!
It turns out that it was installed (which I knew) and working all along (which I didn't) I had just failed to press the "Info" button enough times to get ML to appear on the screen!