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Windows Thread, dual screens one not working in Technical; afternoon everyone, have installed another screen on my pc... the computer knows its there..... and i can move my mouse ...
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    RichB's Avatar
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    dual screens one not working

    afternoon everyone, have installed another screen on my pc...

    the computer knows its there..... and i can move my mouse over to the other screen just nothing on the screen its blank!

    im using a vga to dvi connector (on the screen that will not work) into the geforce 8400gs graphics card on a hp dc5800! the monitor is a hp L1908w widescreen

    any help would be great!

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    Mcshammer_dj's Avatar
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    are you going dvi(PC) to vg (monitor) or the other way around??

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    Arcath's Avatar
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    when you say you can put the mouse pointer on that side, do you get your wall paper?

    if so its working fine just drag a window across to the other monitor

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    Download the nvidia software then you can run the dual screen wizard and do all sorts of fancy things

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    RichB's Avatar
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    i have a splitter from my graphics card one side of it going to the HP monitor with a dvi connection on it so straight in, the other side goes into a dvi to vga converter then into the monitor.

    Nvida and windows detects the monitor but i cannot get any output on it, the monitor is not broken ive tested that ect

    Running the latest version of the software and everything!

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    What type of DVI is it? Have a loko on wikipedia. DVI-D is digital only so will not work through VGA (ie analogue)

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    A fully connected dvi output connector on a pc/gfx card will support an analogue d-sub vga output as the pins are there.

    Ben

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    the computer knows its there..... and i can move my mouse over to the other screen just nothing on the screen its blank!
    Sounds to me you're in extended desktop mode, whereas I suspect you want clone mode. If you get to Display Properties, then click Advanced, somewhere here you'll find reference to clone mode.

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    If OP's installed another screen on his desktop why would he want clone mode? Surely he wants extended desktop mode? Clone mode will just make him see double (which I'm currently doing with just one monitor... )

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    if your PC has onboard VGA as well as a graphics card try turning the onboard VGA off in the BIOS.

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