Preboot authentication with eTokens doesn't work with USB 3.0 (xHCI) ports. When trying to authenticate at the PGP Bootguard with an eToken the PGP Bootguard hangs at "verifying" and the PC does not continue to boot.
Symantec Corporation is committed to product quality and satisfied customers. This issue is currently being considered by Symantec Corporation to be addressed in a forthcoming version or Maintenance Pack of the product.
There have been Feature Requests filed to use USB 3.0. For more information on this request, as well as general troubleshooting guidelines, see the following articles: