Hello tonyluna1 and welcome to the forum,
You're going to have to be a bit more specific than that. What are blue discs? Is that the colour of the top surface or is that the brand of the discs? The colour or brand tells us little about the discs. If you can run DVD Identifier (http://dvdidentifier.cdfreaks.com, freeware) on the disc and tell us the media code, that would be something to start with.
How did you burn that disc at college, with burning software like Nero or was this drag and drag with windows explorer?