^ killjoy has best answer but just incase you dont wanna use a 3rd party program.
to get access to the disk manager in vista go to your start button, and right click computer click manage in the popup computer management should pop up, under the list of stuff on the right side, storage should have your disk management program, you then should be able to shrink, delete and such the volume and create one with 32 gigs and format it in fat32.
Posted 2 weeks, 1 day ago