I am having trouble with an sd card reader. the indication light comes on, but an image does not mount on the desktop, and the battery in the camera is dead. the package on the usb reader says that its mac compatible, so i have no idea. I dont have the data cable to hook it directly to the usb, given that i found this casio exilim cam on the beach. So, what is a solution and or what am i doing wrong? I am running OSX panther. thanks.