Cannot detect external monitor.

Monitor says "no data received" when I connect it so it obviously knows something is there
jfordhamAsked:
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flyingskyCommented:
Right click any where on the desktop -> Personalize -> display settings -> click the 2nd monitor -> check "extend desktop onto this monitor"
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jfordhamAuthor Commented:
sorry, tried that first. It only shows one display. "(Default Monitor) on standard VGA Graphics Adapter. Shows the black box indicating monitor 1 but no monitor 2.
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flyingskyCommented:
is your video card drive up to date?
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jfordhamAuthor Commented:
Should be. It is a quite new Vaio and I have used it with the external display before, also with presentations ie projectors. It has decided not to work now. I cannot think of what I could have done save that Vista seems really unstable.

I have looked in device manager and can only see under Display Adapters "Standard VGA Graphics Adapter". Is this where I should also see the external screen or should I be looking elsewhere?
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flyingskyCommented:
hold on, you said ONLY "standard VGA Adapter" there? Looks like you lost your driver for that. Try download and install the latest driver from their website.
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jfordhamAuthor Commented:
OK as in look up the website for the monitor and find a driver there?


BTW Thanks for all your help. It is pretty late here and I only got out of hospital today but I REALLY want to get this sorted so thanks for coming back to me so fast
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jfordhamAuthor Commented:
not having much luck. The V7 site says

 Here you can download drivers for V7 products.  
All  products not mentioned in the zip file have
Plug & Play function and don´t need drivers.

On opening the Zip file there is a .exe whihc is dated 2001!!!  I try to run as administrator and nothing happens. Here is the site http://www.v7-world.com/197a07d5-b5d9-11db-9471-0015c5fb6342
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flyingskyCommented:
No. Look at Sony's website to find the video driver for your laptop model.
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jfordhamAuthor Commented:
OK trying that now
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jfordhamAuthor Commented:
still looking. Not easy to find
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jfordhamAuthor Commented:
Have gone back to Recovery disk. It seems I need the NVidia GEForce 8400M GS GPU but NVidia sends me to Sony & Sony does not seem to have the drivers. Will try again tomorrow.
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jfordhamAuthor Commented:
Fixed it. Found the Recovery disk I made when I first got the PC and uploaded drivers from that. Thanks for your help. Sony site is hopeless to navigate.
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