This WD40EZRZ-00WN9B0 patient hard drive data recovery case study is done for one DFL user in Italy, the PCB number is 2060-771945-002.

After connecting the patient hard drive to DFL WD firmware repair hardware, the drive was not detected but the drive could be ready.

Users can follow the same steps as the link below to fix this WD40EZRZ-00WN9B0 patient drive and get the lost data back:

WD20EZRZ-00Z5HB0 HDD Slow Spin up and Down Fix and Recovery