i have done a wite zero on my WD2500ME using the WD utility thinking this would clear the drive down so i could then start backing up again from a clean drive (as it was very slow).
After the write zero finished, my drive has dissapeared completely from windows explorer, and I have no access to the drive, i have no software I can run to back anything up, obviously as the drive is gone.
After a full erase has been performed, the disk drive will not be accessible or visible in Windows Explorer because it will likely lack a File System and Partition Table (Initialization). Please visit the following link for additional instructions: