If you've got access to the net you might try downloading the drive diagnostics utility from the Manufacturer's website--Drive Fitness Test for Hitachi/IBM, Powermax for Maxtor, Seatools for Seagate, DLdiag for Western Digital, etc--and then install the utility to a bootable floppy (all automatic with the file download) and boot from that to run the necessary tests on the drive to find out whether it's a goner or not. If it's still under warranty, most of the drive makers will require you to do it anyway to get a drive failure/return code so you can RMA it.