PC gaming - Multiple screen faults?

Question

Now I can actually diagnose the problem but I'm not savvy enough to find a solution.

I run 4 monitors. Monitor 3 is my big high end monitor that I run all my games off without any problems. 1920x1080 resolution.
I use a Dominator Pro laptop using a Dynadock to extend the screens. Video Card is Nvidia if that helps.

Now the actually problem is simple. On the laptop screen I can play any game to perfection. But when I use the high end monitor which is set to Main Screen I get a black screen, I get the audio and can do things. If I Alt-Tab out I get a windowed version that I can see everything and hear it. But obviously the moment I click on it I lose my visuals again. Far Cry 4, Star Wars Battlefront are some of the ones that do this problem. Starcraft 2 will run fine.

Would appreciate help.

Answer

In case anyone else has this problem I solved it myself. The moment I switched the cables out of the Dynadock and into the HDMI of my laptop everything worked perfectly. Might be a lag issue or lack or power when trying to do 'some' things through the Dynadock.

Hope this helps someone else.

PC gaming - Multiple screen faults?

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