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Can't get dual monitor to work


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Hi,

I've search for ages on the net and cannot find anything that begins to help me out so I hope I can find some joy on here.

I bought a cheap monitor so I could have a dual monitor set on my desktop. But I can't get it to work.

I have

Windows 7 Home Premium 64-bit

ATi Radeon DX10 Series Graphics card with a VGA and DVI-D sockets.

I have bought a DVD-D to VGA cable and when that didn't work I bought a HDMI to VGA cable and nothing works. It doesn't detect it.

I know all about setting up the screens by pressing windows button+P.

Anyone have any other ideas I'd be eternally grateful.

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Is there no DVI socket on the monitor?

I think the problem you're having is due to VGA being an analogue signal and DVI/HDMI is digital.. I'm surprised that even a cheap monitor, provided it's fairly modern, does not have digital and analogue inputs.

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It only has a VGA input. Lots of websites don't seem to think this is a problem and a simple DVI to VGA converter lead will do the trick and then it will simply be recognised in windows 7.

However there seem to be lots of people like myself who can't get the PC to recognise the second monitor and no one's come up with any solution that I can see.

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For any chance of this working, check that the DVI socket on your computer and the plug on the cable have 29 pins.

Many DVI connectors are digital only and do not carry an analogue signal - for this you need the full 29 pins and for it to be fully wired.

See: http://pinouts.ru/Video/dvi_pinout.shtml

I'm still surprised that a new monitor doesn't have a DVI input.

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I think we're starting to get to the bottom of things. My graphics card only supports DVI-D which is 25 pin. What you are referring to is DVI-I, which is 29 pin. That won't fit in the slot I have.

And I've properly checked, neither LCD monitor has a DVI slot. Just VGA. I only paid £9 for the extra monitor on eBay, so I think I'll just have to cut my loses and buy a DVI-D monitor or a supporting graphics card.

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  • 1 month later...

Hi,

Just out out of interest in case anyone else has the same problem I got it sorted. I tried every lead and adapter as I could find and I bought a Max Value USB 2.0 to Widescreen SVGA Adapter (MV42431) from Amazon and it did the trick perfectly.

http://www.amazon.co.uk/Max-Value-Widescreen-Adapter-MV42431/dp/B001GXR77Y/ref=sr_1_5?ie=UTF8&qid=1334603773&sr=8-5

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