A laptop HDD Toshiba MK8032GAX vol. 80 GB was brought to my repair shop for information recovery. At power on its engine is not accelerated, so notebook is not defined in the BIOS.
Data recovery from Samsung HD160HJ Paragon. A storage disc is not defined in BIOS.
A cool device is an outer USB box for a full-size SATA storage with a proud inscription on the butt-end "Design by F. A. Porsche". The problem consists of non-definition in the system.
One more data recovery case. This time a Samsung MP0402H laptop hard drive 2,5" is not defined in the system.
I got the order of data recovery of four identical Maxtor 6E080E0 Sabre 2 storage discs. All the discs were installed in different computers of the large insurance company, and all of them had the same problem - the office was flooded, and discs had closely got acquainted with water.