Sandisk Micro SD Card 2.0 GB

Question

Hi

I am Abhi, I am Usinf above mentioned Card.... I forgot the Password for the Card, When I try to open it saying Incorrect Password.... Called Nokia Help line and even Sandisk Customer Service.... they suggested me to recap the Password which i can't do.... I 've Connect to Computer it's not showing and O/S (XP and VISTA) in device manger it showing me an Yellow Mark on SD Card

Plz Help me.... How to reset the Password