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570GTX second screen suddenly not detecting in windows (all hardware still working)

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  • Windows
September 23, 2014 9:23:37 PM

so this is a strange one basically I took my comp to a lan used a screen there as a second (so not the one I'm normally using) when I got home and set up again but the second screen wasn't working.I started trying to work out what was wrong, it wasn't detecting in the windows screen rez or the nvidia control panel.
So first though uninstall drivers use legacy... nothing, install latest drivers.. nothing. Then I managed to get both screens on at the same time by shutting down plugging the main monitor into the second DVI port (with the other screen disconnected) I got a display(confirming there was nothing wrong with the second DVI port.) I then plugged my second screen into the main port during boot, when windows started I had both screens working as normal. Upon going into the windows screen rez and hitting the detect button the screen turned off and undetected its self.......

It's strange if I boot with the screens in the config that worked without plugging the second one in during boot it doesn't work... its only when I do it like that, this just confirms that all hardware is working just something in software is stopping the detection of anything on that DVI port while windows is running!

no idea what to do next.... short of a fresh windows install ;/
plz halp Oo

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