No more video on DVI port after Sleep mode followed by power loss.

Setup
Dell Optplex 990
IntelCore i5
ATI 5440
OSX El Capitan 10.11.5
- Context:
Using just one monitor (DVI port) system entered in suspend mode. A power loss occurred.
On reboot black screen. After observation system seemed to work, but no video.
A TV monitor using HDMI was installed, and it works.

During the boot DVI port works until Apple Logo, after that black screen and it starts HDMI normally.
See attached files.
1. System Log
2. Video Configuration before problem

Question: Is there...

No more video on DVI port after Sleep mode followed by power loss.