That's what I did I think. When I turn it on I get the Rockbox software. I've seen dual booting mentioned elsewhere but didn't understand how to do it. In the menu under Files, Rockbox shows my card as .
Thank you for replying and making me feel a bit better. I haven't had any trouble with mine but it was nagging at me that I may have done something wrong along the way because I have a habit of doing that.