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I have an NVIDIA Quadro FX 1800 gpu on a ubuntu 13.04, with driver v.319 . The primary monitor (res. 1280x1024) is connected to the display port of the card (1 or the 2).

The gpu has a DVI output , which I have connected to a projector. The projector supports res. 1920 x 1080, and we have tested that with another laptop.

Now, when I choose twinview in nvidia-settings and set the projector monitor to the right of my primary monitor, this more or less is what I get, but NOT exactly.

On the projector I verify that the received signal's resolution is 1920x1080, however, when I maximize a window on the projector monitor, a vertical strip on the left of the projector viewport is not shown (and so, part of the app window that I have maximised is not visible).

To give a bit more perpective, I swipe the mouse from my primary monitor to the right , towards the projector and the mouse pointer does NOT appear on the projector view, as soon as it disappears from the primary view....

what could be wrong? how could I go about fixing this?

thank you for your help.

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