Here is the trick, simply follow the
under given steps :-
1. Before starting this trick, back
up your all data from memory card, as the card is going to be format.
2. Download the
Skymedi-2GB-Fix-Softwarefrom links below
3. Now, run the 1GB_to_2GB.exe file
and choose your memory card drive.
4. Click on the FIX button.