Sounds knackered.
The only thing you could check is that the drive type is IDE in the bios and not AHCI. If AHCI is enabled some drives may not like it. I had this with my father recently with a brand new OCZ Solid State Disk. It's supposed to be AHCI but the laptop couldn't manage it.
I would give you instructions as to how to do this but neither the DELL setup manual or the DELL Service Manual contain instructions on it....
It should be somewhere under storage settings. Can't remember and my Alienware is on my desk at home gathering dust