Seagate recently released a preventative firmware update for Barracuda 7200.11 drives affected by a faulty firmware which caused the drive to lock up and fail to be detected by the BIOS. Unfortunately, the updating process has not gone smoothly...
Seagate's Firmware Update Bricking Functional 500 GB Drives : Read more
Seagate's Firmware Update Bricking Functional 500 GB Drives : Read more