More information about the bug. I restarted the computer changing the hard disk from port (SATA On-the-Go) to the Internal SATA 3.0 Gb/s port. But on Feisty Herd 1 the hard disk was detected on both ports. -- Gparted doesn-t detect my hard disk on Feisty Herd2 https://launchpad.net/bugs/81167