The click of death was transferrable via a disk having been damaged by a drive with the c-o-d, that's why 'replacing the drive' wasn't really a solution, you'd

The click of death was transferrable via a disk having been damaged by a drive with the c-o-d, that's why 'replacing the drive' wasn't really a solution, you'd need to also throw all your zip disks and buy new. Basically, it was a hardware virus.