Within data recovery field, maybe only 5% believe that hard drive platters can be swapped one by one and most of them believe after removing the platters one by one, the platter alignment issue is generated and no data recovery is possible.
From now on, Dolphin team are offering advanced video data recovery solutions to fix the hard drive alignment issue and we call it motor balance issue. In case the motor balance is lost, the heads may read/write very slowly or impossible to read/write. Read more