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Windows 7: Dual display not working blank screen on 'detect'

31 May 2010   #1

Windows 7
Dual display not working blank screen on 'detect'

Hi Guys,

My dual screen has suddenly stopped working on my laptop. Now when I hit 'detect' my laptop screen goes black and I have to force restart the machine and disconnect the second laptop. Is this likely to be a hardware fault? Or how would I diagnose the problem?


My System SpecsSystem Spec
31 May 2010   #2


restore back to the last checkpoint before this problem happens. some software or hardware change might cause it
My System SpecsSystem Spec
27 Oct 2011   #3

Windows 7 Ultimate 64 Bit

Try this and on logon you'll always have extended display :

Dual Monitors reset when S.Saver/sleep/reboot/hibernate
My System SpecsSystem Spec


 Dual display not working blank screen on 'detect'

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