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I have setup my old PC as a media server running Ubuntu 12.04 with a Geforce 7300 GS graphics card. In normal operation, I would like everything to be displayed on the TV but when I need to do some maintenance etc on it, I need to switch it to a secondary monitor so the family can watch TV whilst I work. Both screens have very different resolutions etc. (46" TV v's old 17" monitor)

To me, I seem to have 2 options:

  1. Run both concurrently Although the graphics card seems to have both a DVI and VGA port, and both screens show the desktop, on startup, it seems to get the resolutions incorrect. Using the NVidia tool seems to screw this up even more than the default Ubuntu one. So haven't been able to get this going. Also, I assume this would add processing to the GPU so showing a movie on both displays makes me think it will be sub-optimal?
  2. Have a way of switching between the 2 screens This would be ideal for my situation as the graphics card is only driving one at a time. The trouble is that I can't seem to find a way of switching screens via the keyboard (as you would do on a laptop) so the only way seems to be to switch the TV on to PC first, then switch the monitor to the external one which is not ideal.

Anyone have any cunning plans?

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