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Windows 7: Second Monitor Blacks after Unlock

14 Aug 2011   #1
rtrags

32 bit Enterprise
 
 
Second Monitor Blacks after Unlock

I have a fujitsu t-series laptop running 32bit Enterprise. I use an Acer x163w for an external monitor. When the monitor is connect and the computer starts up, after I log in, both displays work fine for about 4 seconds then both go black and only the laptop display returns. The same behavior happens when I unlock my computer: both work for about 4 seconds, both go black, and only the laptop display returns (the Acer remains black). To fix this I have to do one of two things: 1 unplug and replug the vga cable from the back of the comp, or 2: reset my display settings to extend the display to the second monitor. I have searched google for a solution but I havn't found anyone describing the same problem. Any Ideas?


My System SpecsSystem Spec
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14 Aug 2011   #2
Maguscreed

Microsoft Community Contributor Award Recipient

Windows 7 x64
 
 

on my laptop there is a fn+f(x) button combo that activates the external monitor properly.
This is true of almost all hp's so far as I know. I haven't owned an acer in a long time but I'm thinking you may have a similar key combo for shifting display to external.
My System SpecsSystem Spec
14 Aug 2011   #3
rtrags

32 bit Enterprise
 
 

I intend to use the second monitor to extend the desktop. I think the key combo you are reffering to (fn+f10) only alternates between the two monitors, an exteded display is not one of these options
My System SpecsSystem Spec
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15 Aug 2011   #4
Maguscreed

Microsoft Community Contributor Award Recipient

Windows 7 x64
 
 

Have you looked into driver updates for the mobility gpu you have?
My System SpecsSystem Spec
15 Aug 2011   #5
rtrags

32 bit Enterprise
 
 

im not entirely sure what a mobility gpu is. In my device manager, Mobile Intel 4 Series Chipset Family is listed under Display Adapters. does that help?
My System SpecsSystem Spec
15 Aug 2011   #6
Maguscreed

Microsoft Community Contributor Award Recipient

Windows 7 x64
 
 

actually it does I'm not entirely sure the 4 series is fully supported under win 7.
I'll have to do some reading it's been a rough day for me though give me a few hours to settle and I'll see if I can dig up something for you.
My System SpecsSystem Spec
20 Aug 2011   #7
rtrags

32 bit Enterprise
 
 

any luck, its something i have temporarily fixed before. if i recall correctly it was an issue with which particular programs run at start up.
My System SpecsSystem Spec
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 Second Monitor Blacks after Unlock




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