In this mode, your monitor may not receive a full resolution video signal if your laptop graphics card is not powerful enough to deliver the full resolution to both displays.

The monitor display itself is driven by a VGA cable from the vid card to the monitor's 15pin or BNC input.<P>Perhaps if you provide a link to the specific monitor, we can provide more information?

The setup also allows taking displays from both the graphics card and the motherboard at the same time, facilitating multi-monitor configurations. How to use both Integrated and Dedicated Graphics ...