Adding 3rd monitor to laptop

[idata]

Brief run down. I have a Dell D630 with Mobil Intel 965 Express Chipset. I have the laptop in a PD-01X docking station which has 2 monitors on it. There is a PCI slot that I have installed a single output diablotek video card. The drivers for the video card are installed and the laptop can see the card. I cannot seem to find a way to get extend my desk top to the 3rd display with the "Intel Graphics Media Accelerator Driver for Mobile". I know that this can be done on a desktop system which is running the same chipset graphics display control.

[Allan_J_Intel1]

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Intel Graphics Controllers are dual pipe; this means that only two monitors are allowed. That is why you do not see your extra monitor within Graphics properties.

[idata]

Is there a software known that will allow for the 3rd display to be used? Or, is the only solution getting a desk-top?

[idata]

Something is amiss. I have the same laptop and have been using the Dell PR01x docking station at work. Until today (I rebooted my system last night when I left) I was using 3 monitors. I have 2 HP 1740's set up and added a Dell via an IOGear External VGA adapter that connects through USB. As I said, I have been using this configuration with no issues until my reboot last night. So why the change all of a sudden?