[ubuntu] 3 monitor on notebook

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http://ubuntuforums.org – hi everybody, i'm using a dell precision m4400 with nvidia Quadro FX 1700M (bios with 512mb di ram. the notebook is connected to its original docking station dell, which got 2 dvi and 1 vga. i'm using ubuntu 9.10 updated. what i want to do is to use 2 external monitor plus the notebook display at the same time. it is possible to connect 3 monitor to the same video card? till now i managed to set up the system with only 2 monitor (2 external or 1 external plus the notebook monitor). nvidia setting recognize with no problem all 3 of them but it can turn on only two at time.. thank you for help tamer (Hardware)