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Windows 7: Extended displays reset after time out


16 Jul 2013   #1

Windows 7 Professional 64bit SP1
 
 
Extended displays reset after time out

I have extended my display to two monitors. However, when my computer turns the monitor off after some inactivity, the display is automatically reset to one monitor shortly after waking up. Is there a way to prevent this? Is this an option?


My System SpecsSystem Spec
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16 Jul 2013   #2

Windows 8.1 PRO
 
 

Yea i had the same problem when i first started using 2 monitors, what i done was mess around with the options available then click apply not ok then restart your computer, not sure what option will work better for you but you can try them all dude that's what i did not my monitors work like a charm.

Regards,
Andrew
My System SpecsSystem Spec
17 Jul 2013   #3

Windows 7 Professional 64bit SP1
 
 
Extended displays reset after time out

Unfortunately, I have tried this already and it did solve the problem. As a matter of fact, when restarting, it seems to work then the secondary monitor is diabled.

Thanks for the suggestion,

Yves
My System SpecsSystem Spec
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17 Jul 2013   #4

Windows 7 Ultimate Retail Box (64-bit installed) + Service Pack 1
 
 

Hello OP, this is your laptop doing this?

The laptop monitor is staying and the external monitor is the one that vanishes? [What's the monitor brand/model?]

What driver are you using?

What's the GPU situation in that Lifebook? [Run GPU-Z from cpuid.com if unsure]

[troubleshooting questions that need answers....]
My System SpecsSystem Spec
17 Jul 2013   #5

Windows 7 Professional 64bit SP1
 
 
Extended displays reset after time out

The monitor is a Fujitsu/Siemens Screenview A19-3.

The dirver information from the Device Manager is the following:
  • Display Adapters
    • CA IT Client Manager r12 Secure Control Adapter
    • CA IT Client Manager r12 Video Capture Adapter
    • Intel(R) HD Graphics 4000
  • Monitors
    • Generic PnP Monitor
    • Generic PnP Monitor
GPU Information:
  • Name: Intel(R) HD Graphics 4000
  • Code Name: <empty>
  • Revision: 9
  • Technology: <empty>
My System SpecsSystem Spec
17 Jul 2013   #6

Windows 7 Ultimate Retail Box (64-bit installed) + Service Pack 1
 
 

You didn't answer which is shutting off.

I would try disabling those CA IT adapters, wondering, if interfering.

I assumed you are going into Screen Resolution to manipulate these monitors?
[right click on desktop space, select Screen Resolution]
My System SpecsSystem Spec
17 Jul 2013   #7

Windows 7 Professional 64bit SP1
 
 

Oops, sorry. The external monitor (A19-3) is the one being diabled. When I restart the two monitors work as they were when I shut down but after ~10 seconds, the external monitor is disabled. The same behaviour occurs when the is a request to change the configuration (e.g. installing a software) or when I unlock a session.

I tried disabling the two CA IT adapters but it did not resolved the problem (I have re-enabled them since).

Yes, I am using Screen Resolution to extend the display (using the F keys only allows to switch from one to the other, does not allow extension).
My System SpecsSystem Spec
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 Extended displays reset after time out




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