If it fails, the only way to regain access to the information on the drive might be to replace the circuit board in the enclosure with one of the exact same model.
![wd unlocker for mac wd unlocker for mac](https://www.modesdemploi.fr/viewer/1082293/1/bg1.png)
![wd unlocker for mac wd unlocker for mac](https://toolbox.iskysoft.com/images/2019/select-file-system-on-mac.jpg)
This is a partition on the My Book drive that contains the software that will allow you to unlock the drive. If you aren't, open My Computer and look for a CD drive called "WD Unlocker".
#WD UNLOCKER FOR MAC INSTALL#
![wd unlocker for mac wd unlocker for mac](https://www.datarecoverydublin.ie/res/DR_-_RSADA_-_External_Hard_Disk_Recovery-proofed-01Mar_html_m6f2fbdfb.jpg)
There isn't a lot of documentation that comes in the box with the WD My Book drive.