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Displayport not available

Microsoft Windows 10 (64-bit)

System is a HP 8740W.  Has NVIDIA Quadro FX3800M graphics.  NVIDIA Driver is 341.95


System is in docking station.  DVI connection is to a HP LP2465 monitor.  This works.  Trying to connect a second display to displayport.  Either from the laptop directly or docking station.  Using a StarTech Display port to DVI Dual Link Active adapter.


Second display is a planar SA2311W.  - connected via dual link DVI to the startech adapter.


When this is connected the display is shown in the NVIDIA control panel, setup multiple displays - but I am unable to select this display as an option.  I try in windows and it won't allow me to select the display.


I am able to connect the SA2311W via VGA, but this connection won't support my ultimate goal of having stereo display on the Planar - requires 1920x1080 120 Hz via Dual Link DVI connection.


The bios is F.60


Any suggestions?

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