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Windows 7: Dual display 1 not displaying except on startup; both display in Linux


22 Sep 2012   #1

7 Home Premium 64
 
 
Dual display monitor 1 loses signal after startup; Linux displays both

Windows 7 64 turns off the monitor 1 signal after startup. At login, it powers off monitor 1 and powers on monitor 2. Windows 7 behaves as though dual display is working even though monitor 1 does not display. It's the same for single display, the monitor will not work on cable 1 except at startup.

Both 'Extend these displays' in Windows Screen Resolution and 'Extend' in the Nvidia Control Panel is selected. And changing which one is primary does not turn on monitor 1. Nor does switching the position of display 1 in either (ex. left/right/top/bottom).

GeForce 8400 GS; Dual Monitor Solution 59 pin (DMS-59) to 2 VGA adapter -tried two of these adapter cables.
Latest Driver: 306.23 - installed a clean reset install of the latest Nvidia driver released last week.
Same Resolution: 2 of the 4 monitors I have tried have the exact same 'recommended' resolution (1280X 1024), both 60Hz, and even chose 16 bit color for both instead of 32 to reduce resources.

Linux worked: Dual display worked immediately when I tried it in Ubuntu 10. So, it's not the hardware. It works in Ubuntu 12 too but not properly -it won't transfer windows across displays.
My Windows 7 64 is an upgrade from Vista 64. One person in another forum with the same problem resolved theirs by reinstalling Windows 7. But another got the same problem only after a fresh clean install of Windows 7 64 with the same GeForce 8400 GS and DMS-59 when it had previously worked in Vista. Dual Monitors - Only One Works at a Time

Pushing a menu button on monitor 1 does wake it up, but just says,
1: Analog Input in Power Save Mode
Press Any Key on Keyboard or Move Mouse

My System SpecsSystem Spec
.

23 Sep 2012   #2

Windows 7 Home Pre
 
 

are you Cloning these displays or extending, Don't Use Windows Setup use Nvidia's. It seems Nvidia like too take control. Go into there Display setup and change it there.

Good luck. I can if your happy too show you how Via Remote Assistance. Msg me for Details.
My System SpecsSystem Spec
23 Sep 2012   #3

7 Home Premium 64
 
 
I would love for you to show me!

I chose both 'Extend these displays' in Windows Screen Resolution and 'Extend' in the Nvidia Control Panel.

Do you use 'LogMeIn' or some other similar for Remote Assistance?
My System SpecsSystem Spec
.


25 Sep 2012   #4

Windows 7 Home Pre
 
 

I use windows and if you wanted I can use logmein after for Future Help. LMI I find faster and better for control.

regards

MrD
My System SpecsSystem Spec
25 Sep 2012   #5

7 Home Premium 64
 
 

Ok Mrd,
I see 'RemoteApp and Desktop Connections' in the Control Panel. What URL do I put in for Remote Assistance?
My System SpecsSystem Spec
02 Nov 2012   #6

7 Home Premium 64
 
 

Nvidia driver 285.62 from Oct 2011 is the latest driver to dual display. And all previous drivers back to 185.93 from May 2009 work as well. Also beta 290.53 works. But 295.73 from Feb 2012 and later will not dual display.
My System SpecsSystem Spec
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 Dual display 1 not displaying except on startup; both display in Linux




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