Symantec Encryption Desktop (SED) for Linux
Encrypt the Dell E5470 or E7470 running CentOS 7.2 with SED 10.4.1 MP1.
After logging in at the BootGuard you are presented with a black screen with the following message in the upper left corner:
error: unknown filesystem
entering rescue mode..
After which the drive is not recoverable.
The same computers can be successfully encrypted if running Windows.
Other Dell computer models running CentOS 7.2 can be encrypted with the same version of SED.
The Dell E5470 and E7470 machines are not on the list of supported hardware for RHEL/CentOS 7.x.
Refer to the following link for a list of supported hardware:
https://access.redhat.com/ecosystem/search/#/category/Laptop? sort=lastModifiedDate%20asc&certifications=Red%20Hat%20Enterprise%20Linux%207& vendors=Dell%7CDell%20Public%20Sector&ecosystem=Red%20Hat%20Enterprise%20Linux