Seagate has outlined specific instructions for Mac users to remedy firmware problems with certain Barracuda 7200.11, ES.2 SATA, or DiamondMax 22 hard drives. The issue can cause the drive to lock on certain systems, leaving the stored data inaccessible. Upgraded firmware can only be installed on Intel Macs, such as the Mac Pro and iMac. The 2.5-inch notebook drives are not affected, ruling out the
