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Windows 7: Cant output to external monitor only (Different Issue)

26 Feb 2010   #1

Windows 7
 
 
Cant output to external monitor only (Different Issue)

Cant output to external monitor only
Im running 7 on my laptop, and im trying to get it to output only to my external monitor when the lid is closed. I can get it to extend my desktop, but when i close the lid, it turns off the external monitor. I have set Windows 7 to do nothing when lid is closed. Is there anyone else with this problem?
I have an Dell Vostro 1500, with Nvidia Geforce 8400M GS video card, if that helps.


Also, I've tried the FN+F8 route and it does the same thing. Both screens go blank and the LCD TV (external monitor) says invalid format. Its almost like when the lid is closed it changes the resolution to a non displayable one. Happens with both FN+F8 and the lid close method. I never had this problem with XP. Please help.


My System SpecsSystem Spec
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26 Feb 2010   #2

Microsoft Community Contributor Award Recipient

Windows 8.1 Pro with Media Center
 
 

For me this works only if I first disconnect the main (laptop) display, showing desktop only on external, secondary display. If both displays are used in extended desktop mode, closing the lid also turns external display off.

Kari
My System SpecsSystem Spec
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 Cant output to external monitor only (Different Issue)




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