Some cameras can not handle 2 GB and larger memory cards..I believe this could be the case for you..I am afraid if it does not FORMAT it ,you can not use it to take a picture either..
Just for testing purposes,if you cant FORMAT in the camera, take the
card out and try to format it on your computer (you may need Memory
Card Reader " THAT COMPATIBLE WITH YOUR
MEMORY CARD.THIS ..As an example of this unit pls visit the URL
below....you can buy it any electronic Market too...
Hope this helps! Take care and please Remember to rate/vote and give me
4 Thumbs Up for me to continue for Helping out the Community :)
26-IN-1 USB 2.0 MEMORY CARD READER FOR CF/xD/SD/MS/SDHC