Swapping the just the platters has zero chance of success. If the drive isn't working and it's not making grinding noises, it's possible that the controller bo

Swapping the just the platters has zero chance of success. If the drive isn't working and it's not making grinding noises, it's possible that the controller board on the underside is zapped. I've had a 50/50 success rate recovering data by swapping boards -- you have to find identical drives, and be lucky too.