Beginning with PGP Desktop 10.2.x the Dell Integrated Smart Card reader no longer works.
There was several code changes made related to this issue in 10.2.0 and 10.2.1 release with the latest fixes being addressed in Symantec Encryption Desktop (formerly PGP Desktop) 10.3.0 MP1 (Build 9060)
Use an external USB card reader that is on our Supported Card reader list below:
List of supported smart card readers for Authentication at preboot with Symantec Encryption Desktop (formerly PGP Desktop) 10.3.0:
For a list of supported smart cards see this article:
Dell Latitude D and E series notebook models