I have used http://www.drivesaversdatarecovery.com/ http://www.drivesaversdatarecovery.com/ to recover a disk which failed due to mechanical head failure. The c

I have used http://www.drivesaversdatarecovery.com/ http://www.drivesaversdatarecovery.com/ to recover a disk which failed due to mechanical head failure. The cost was O($3000), expensive, but less costly than trying to reconstruct the lost data. I have also used Steve Gibson's spinrite program (http://www.grc.com/intro.htm http://www.grc.com/intro.htm) which does very low level recovery and repair. YMMV depending upon exactly what kind of error you have.