When you have a drive slaved to another system, we can leverage our CMGAu (Credant Mobile Guardian Administrative Unlock) tool to gain access to the data on the drive. This requires access to the DDP | E server and forensic administrator rights or to the encryption keys that were generated from the device (this is an LSARecovery file for Dell Data Protection | Encryption Personal Edition).
With those pre-requisites, you can run through the process defined in this guide:
Hi, decrypt BSOD while connecting it through a usb cable to another computer will not be easy. Or You could also apply the heavy decryption techniques but that will make you confuse. The best way which I will suggest it to connect it with another computer properly instead of the computer desk and remove the disk of the computer. That will give an easy and direct access to the data on your desk.