Quote Originally Posted by Demo View Post
My 240Gb ForceGT suddenly failed after 5 months of use, it only had about 3Tb of host write on it.. It was working fine until a reboot and it became unpartitioned, it can be detected by the bios/os/parted magic but cannot be accessed.. I/O error of some sorts. What could have possibly caused this ?
Probably firmware fault.

Since you can still see the drive in the BIOS, try booting parted magic and secure erasing the drive. That might reset it and get it going again.