> Now, the drive is only saying that it is 31.5 GB.

Sounds like a Bios issue. There is a known 31.5GB barrier. Look here: http://www.pcguide.com/ref/hdd/bios/sizeGB315-c.html
You can try and upgrading your Bios, it might help.
_________________________
Ninti - MK IIa 60GB Smoke, 30GB, 10GB