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Preferably, one of those displays could be rotated (1200x1920).

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Please, provide more information about your computer. However, it is NOT possible usually. The only way I can think of to use the DVI (or DisplayPort/HDMI) AND a VGA/DVI port. (So use two different output ports for the two displays). Maybe you can get a port replicator/dock at the homepage of your laptop's manufacturer. (Like Lenovo's dock replicates your port).

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Dell Latitude 630, intel mobile chipset 965. I'm looking to avoid an external USB card or splitter box. Can I just add a better video card? (Figured this was probably not possible, but worth a try) – user35997 May 7 '10 at 17:57
Adding a new card is impossible. You can use the linked Dell Dock above (as I mentioned it in the post). Its impossible to split it like that in a notebook. – Shiki May 7 '10 at 18:20
Okay, hey thanks for your answers everyone! – user35997 May 7 '10 at 18:34

You might look at another solution: Matrox DualHead2Go. It connects to your laptop and to external monitors, and does the work of driving the external displays. Jeff Atwood wrote about a similar device a couple years ago.

I've not used this solution, but a former coworker did, and he said it worked well for him.

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Yeah that's a way to go but I thought its out of the question because it costs a fortune. (But yeah that thing works). – Shiki May 7 '10 at 19:12

A simpler way would be to purchase a Dell D/Dock. It does only have one DVI port though, so one of your monitors would need to be connected via VGA.

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I already have one of these. Don't I need a special video card to drive two external displays, though? – user35997 May 7 '10 at 18:33
No, your existing video card should work fine. – PaulWaldman May 7 '10 at 18:46

Most laptops can handle only one external display.

To connect another one, you can look for an ExpressCard or PC Card graphics adapter (they are rare, see here). I'm not sure it's better than a USB box, since due to VGA/DVI connector size it will either have protruding parts or require a non-standard cable (so you'll have to lug around one extra piece anyway).

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Dell D630 has not have an Express Card slot. – PaulWaldman May 7 '10 at 18:33
@Paul Obviously, then you'd need a PC card one... – dbkk101 May 8 '10 at 10:24

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