Dual Monitors plus laptop screen on Dell Latitude E6420

July 22, 2014 at 11:48:38
Specs: Windows 7 Professional
Want to set up my wife's work laptop to run dual 27" displays plus the laptop screen. Previously she has had the laptop connected to a single 27" display via a VGA cable and that worked fine.
I plan on getting a second 27" display and connecting both displays to the laptop to effectively have 3 screens. What cables, converters, etc. will I need?

Laptop is a Dell Latitude E6420 with Intel video chipset and Nvidia NVS 4200M video card. Has 1 VGA port, and one HDMI port.

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July 22, 2014 at 12:51:09
In the past it seems that you could have: the laptop screen and either the vga or hdmi - but not all three. Or you can have both vga and hdmi - but no laptop display.

But more recently it seems that things may have changed; see this discussion - which covers it:


Options around may include:

- a very basic approach - a vga splitter' a passive (Y) cable or a box style.

- a vga - DA (distribution amplifier); one input two or more outputs.

- an HDMI splitter; see the various styles here:


Something along the lines of this product - http://www.displaylink.com

Or another form of "docking station" proper.

Or a usb-video adapter; more than a few hits here about those... (Read the reviews carefully?)


However you resolve this - use good quality cables; the difference is sometimes very noticeable - especially for vga; and also long(er) hdmi runs...

message edited by trvlr

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