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Is it possible to hook up two or more external monitors to a Lenovo T400 laptop?

Is it possible to hook up two or more external monitors to a Lenovo T400 laptop?

This laptop only has one external analog monitor port.

Is it possible (by using a one port to two port analog monitor adapter cable or some other type of hardware) to connect two or more external monitors up to this Lenovo T400 laptop (so that each external monitor and the laptops internal LCD monitor) will have its own independent display?

The operating system is Windows 7 64 bit.
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3 Solutions
 
SeanMNCommented:
No its not possible . Even with an advanced mini dock with 2 external ports (1 vga 1 dvi) it will only push 1 external video source.

However, if you get the regular advanced dock and put a good pci-e card in it, what your trying to do is possible.

http://www-307.ibm.com/pc/support/site.wss/MIGR-61232.html

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honestman31Commented:
u have Graphics: ATI Mobility Radeon 3470 w/ 256MB (hybrid switching)  , so it should be fine
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David-HowardCommented:
You can use a video splitter for your external monitors. Such as the one listed here.
http://www.buy.com/prod/svga-monitor-video-y-splitter-cable-for-vga-to-dual-2/q/sellerid/23270115/loc/101/212966732.html
From there through your video options you can select "Clone", "Independent", etc. Usually you can do this through your installed video driver (such as NVIDIA). You simply right click an open area on your desktop and select the NVIDIA display options. I don't believe that the laptop LCD will have it's own independent display with this option though.
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garycaseCommented:
A simple Y-cable as suggested above does NOT provide two independent displays.    It simply lets the SAME display be received on two monitors.

You can connect two different displays to your external port using a Matrox Dual-Head-2-Go or Triple-Head-2-Go (in dual mode), depending on the resolutions you need to set for your monitors.   [The Triple-Head-2-Go has better support for widescreen resolutions.]
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garycaseCommented:
You can look up the specifics on the Matrox adapters here:  http://www.matrox.com/graphics/en/products/gxm/  
Check the compatibility wizard for your specific graphics adapter (various T400 models have different adapters) ==> that will show you what resolutions you can support with the adapters.


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aleghartCommented:
USB-VGA(DVI/HDMI) adapter for each monitor + DisplayLink drivers

http://plugable.com/2010/03/07/plugables-usb-2-0-graphics-adapter-displaylink-dl-195/

http://www.displaylink.com/support/downloads.php

I think you can cobble together up to six external monitors via USB cable and some voodoo dancing.
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garycaseCommented:
USB-based video adapters provide another way to add additional displays, but be sure you look carefully at the specs, as many do not support widescreen resolutions.

This is an inexpensive one that does support some widescreen resolutions:
http://us.startech.com/product/USB2VGAE2-USB-VGA-External-Multi-Monitor-Video-Adapter
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KnowledgeableAuthor Commented:
Great info.
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