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how to create dual vision on a dual monitor video card

snipa911
snipa911 asked
on
Hi there,
I have a computer with 2 monitors connected to a dual monitor video card.  Now I would like to display the same thing on both screens because one screen is in a room 20 feet away with a long cable.  I can extend my desktop but don't know how to create double vision. Does anyone know a trick to make double vision?  Thanks

Mike
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Watch Question

Use "Presentation mode"

Author

Commented:
how do i use presentation mode?  please explain.
BRONZE EXPERT
Top Expert 2012
Commented:
Just uncheck the "extend my desktop" checkbox in the display properties and it will default to clone mode, which will give you two identical displays.

If you are driving a display from any distance over 15 ft, depending on the quality of the cable, you may suffer a voltage drop, which for VGA connections results in a darker screen.  In this case, you may need a distribution amp to boost the voltage.  Digital cables have greater limitations and may not go as far; in addition, they cost more.

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