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When I lock my Windows 7 Pro 64bit desktop and then unlock it after the screen saver has activated I find that all of the windows that were on monitor 2 (right side) have moved to the lower right of monitor 1 (left side). Also all of the windows on monitor 1 have moved to the lower right as well. I have tried various adds and removes of the monitors with no luck.

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How are the monitors connected? What is the video adapter in use? This isn't normal behavior for standard digital connections, and it sounds like when that happens one of the outputs is actually getting disabled in software. Or possibly it's going to sleep and the output one adapter is on wakes up faster than the other (so it rearranges the windows in the meantime) –  Shinrai Apr 6 '12 at 21:03
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The graphics card reports as an Intel Q45/Q43 Express Chipset. 1 display is DVI and 1 display is VGA. There are 3 ports on the card, once I have the cable I will try the display port. DVI is running 1920x1200 VGA is running 1280x1024 –  Andy Apr 9 '12 at 15:06
    
This is happening to me as well, did you fix it? –  jcollum Aug 10 '12 at 20:37
    
+1 same problem here. I have an NVIDIA Quadro NVS 420 GPU, which is probably the problem. This card is designed to support up to four displays with a dongle. My two displays are currently hooked up to ports 1 and 2, which are on separate dongles. I suspect moving them around could help. –  Elliott Jun 5 '13 at 19:51

3 Answers 3

You MUST use DVI ! DP and HDMI are "Plugable" Displays in Windows. After the Monitor goes into Power-Save - Windows lost all Infos about the screen and "Think" it's unplug. This is why all windows swap to Screen 1.

Google, there is a "hot-fix" for DP/HDMI where some contacts eliminated to prevent this. Microsoft would not help you. There are thousand of peoples out there with exact THIS problem, but Microsoft does not care.

If you use DVI - Windows did not interpret this as plug screen. All fine.

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I had the same Problem, the Problem comes from the Power Saving Settings. If there the Monitors are send to suspend, then on wake up not all monitors wake up at the same time and so windows arranges all windows on the first monitors to wake up. Set the power saving settings for monitors to never and the problem is solved.

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The symptoms of windows shrinking this way indicate that a change in resolution occurred. When the resolution is set or changed to lower, the windows are shifted around and shrunk to fit that resolution. Either that or a person could lose access to them and have to reset their postition because it opens off screen (We had that before also) when in low res.

Screen savers or the log-in screen can exist at a lower resolution can cause this problem. In windows 7 the log-in screen can match the res of the desktop under normal/proper operation, so check for the screensaver issue first.
Test first by doing lock with "None" screensaver, and see if it still happens. Try and get the screensaver to match the resolution or find one that does?

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Tried it with screen saver set to <none> and blank. I did not mention before, but the system is power saving the monitors also. –  Andy Apr 6 '12 at 21:48
    
@Andy I figure you might have, what is the res that the log-in is shown in? It is beyond what I understand , but it has been mentioned in passing that the log-in screens can be set for different resolutions. Maby some registry setting? On dual monitor standby, my system standbys the monitors without messing anything up? Are the Duals on the same video card/driver ? Could it be there is some mixup with the video cards drivers, that they are working fine, but some aspect of thier operation, or a Service that has been stopped that would be doing any extra actions required on the event. –  Psycogeek Apr 6 '12 at 22:03

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