Question of OptiPlex 790 Displayport

I have an Optiplex 790 and am setting up two monitors.  Two monitors are DVI and VGA inputs.  My 790 has a VGA and Displayport output.  I have the standard VGA cable and it works very well on both monitors.  I also have a Displayport adapter to DVI with a DVI cable.  When I have this hook to each monitor receive nothing.  The monitor is just like it does when it is not connected.  I tested the Displayport adapter and cable on the anther, put in place that works fine so I know the cables work.  In the video settings, it is only showing that I have a monitor.  Any help would be great.

Thank you

Chris

I reinstalled my video driver. But I also had a bad adapter Displayport to DVI.

Tags: Dell Desktop

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