You've got a problem then. The suggestion in HoustonIT's post was that, using another PC, you download and burn to CD a bootable disk with which you can use the DOS type utilities to see what's wrong with your hard disk.
Take a look at the V6000 documentation (page B1) downloadable from
http://h10032.www1.hp.com/ctg/Manual/c00748684.pdf Suspishio
My advice is at your risk
Qosmio G50-10H; T9400 2.53GHz Core 2 Duo; 4GB RAM; Vista HP (32)
nForce 680i LT; Q6600 Quad Core 2.4GHz; 8GB RAM; XP Pro (64)
Dell XPS M1710; T7200 2GHz Core 2 Duo; 2GB RAM; XP Pro (32)