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3 monitor setup on XP via VGA splitter

Hello all,
I have a Dell Latitude D830 laptop (docking station), my docking station has  DVI output and a VGA output, I have been running dual monitors for a couple years now on WinXP.  I recently purchased a VGA splitter to enable me to have 3 or 4 monitors, well I got it all set up and the problem I'm having is that XP and my driver software (Nvidia) is seeing all 3 of the monitors that i have setup as 1 monitor.....I' read a couple articles and tried installing UltraMon but I still have been unable to figure this out.  Thanks in advance for your help everyone.
2 Solutions
A VGA splitter is going to give you the same output on both monitors connected to the splitter - is that really what you are trying to achieve?
Depends on the splitter. Make sure you have one that will properly split the signal and allow dual monitors. Some cheaper splitters only can do a clone.
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cqr213Author Commented:
This is actaully the one I purchased, http://www.cablestogo.com/product.asp?cat_id=509&sku=29551

The rep. told me this is what i needed.  I'm trying to have all 3 monitors setup similar to how duals are, able to drag from one to the other.
Sean ScissorsProgram Analyst IICommented:
If you have the default graphics accelerator card then it may not support 3 monitors. But I looked up your model and it offers higher end cards, the Nvidia Quadros which should definitely handle 3 monitors. Your drivers with Nvidia should come with some sort of software to allow more customization. In there is where you should be able to determine that it is being expanded along all 3 monitors or just clone, or just extended desktop. If you have already done that then the others are right that your splitter may not be a good enough splitter to actually determine two different feeds rather it just is splitting one main feed and duplicating it because of that.
☠ MASQ ☠Commented:
That box just produces four idenitcal outputs from one VGA source - it's designed for conference centres etc where you want the display duplicated throught the hall.  You computer will treat it as one monitor because it is just one output.  You can only ever use it to show the same image on up to four screens.  The description clearly says it isn't a desktop extender which would give you two screens with different images (eg the left and right sides of a desktop).
As noted in the product description, that product will just give you the same picture on both displays:
"Please Note: The term "extender" refers to the product's ability to extend the distance of your cable runs to 210 feet. It does not mean the product provides "extended desktop" functionality, or the ability to view different information on each of your monitors"

Please refer to the hardware I posted above to achieve the results you are looking for.

cqr213Author Commented:
yep, after looking in the details of the product it looks like it doesn't support "exteneded desktop capabilities", oh well guess I'll have to return it.  thanks everyone
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