Your smartmedia card has been corrupted. The FAT table or file structure of your smartmedia card has been altered by your computers card reader. Your camera does not recognize the card and will not read or write to it. This problem can be repaired. Try www.smartmediarepair.com I have used this companies service and they have a quick turnaround time. Staff is very friendly and will answer any questions you have. Good luck
Lauren, November 2005