I'm using an Kodak EasyShare all-in-one printer at my friend's house to get some pictures off of a memory card. I made sure the light was on telling me that it had detected it, then I went to my computer. The icon for the memory card will come up, but when I click on it, it says there are no files on it. I know there is, because they come up on the printer's display. What is going on, and how do I get my files?