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Windows 7: Dual Monitor Troubles( does not extend)

03 May 2012   #1
meezy

Windows 7 Home Premium 64bit
 
 
Dual Monitor Troubles( does not extend)

I have a strange problem
i am using windows 7 HP x64 and a few days ago my dual monitors were working perfectly
i was able to extend my desktop across the two... then out of the blue the extend option stopped working. i can duplicate and projector only and the second monitor works but when i extend the desktop the second monitor just goes blank and the power led goes orange....

This is what the screen resolution window looks like

any thoughts on what is going on




Attached Thumbnails
Dual Monitor Troubles( does not extend)-screens.png  
My System SpecsSystem Spec
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03 May 2012   #2
Gromit1710

Windows 7 Professional 64 Bit Service Pack 1
 
 

I see you're using the motherboard's integrated GPU in your system specs.
Is it possible that you downloaded a driver update from windows?
My System SpecsSystem Spec
03 May 2012   #3
meezy

Windows 7 Home Premium 64bit
 
 

I did but i un-installed it and re-installed the original driver from dell... and besides that i have used the extend option before with the updated driver... ill try to un-install the driver again and disable driver updates from windows....
My System SpecsSystem Spec
.

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 Dual Monitor Troubles( does not extend)




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