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Windows 7 moves/resizes windows on monitor power cycle

MichaelAtOz asked on

I have a new W7 ultimate install on a new PC (AOpen DEX4501 w intel GM45 graphics). I have installed the latest Intel graphics drivers 8.15.10.2202, and all relevant windows updates.

It is connected via HDMI to a Grundig Misuro HD TV. My resolution is set to 1600x900, windows recommended resolution is 1920x1080 but this displays badly so I don't use it.

When Windows sleeps, or I turn off (then later on) the monitor, most windows are moved/resized to the upper left with the lower right at 1024x768.

Firefox, Excel(2003),Explorer windows resize/move, Outlook(2003) did not move/resize.

I have a Samurize (Gadget like) display on the right which someimes get relocated to the top left, but not this morning. The windows resize/move also happens when Samurize is not running.

I have found three other entries related to this;

  • http://social.answers.microsoft.com/Forums/en-US/w7desktop/thread/b79d2dbf-f1a6-4850-9dce-75a52fb1e619
  • http://social.answers.microsoft.com/Forums/en-US/w7desktop/thread/ee8540c4-554e-4467-b304-1f5808e3d11b
  • http://social.answers.microsoft.com/Forums/en-US/w7hardware/thread/84f41660-1933-4109-9b13-1ea8a1c27be7

They don't seem to have been resolved for a long time.

This is a Windows monitor power managment issue, can it be fixed please it is very annoying.

I won't be recommending W7 to others with such issues outstanding.

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MichaelAtOz replied on
I have found a work-around.
Using Sysinternals ProcessMonitor I found that Windows was accessing the following Registry path;
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\GraphicsDrivers\Configuration

My system had three entries;
DELF003YY7707BR0MUL_30_07D7_6A^9A3774EB79DEE3E3E38496CC7DF4D936
QHD32000001_31_07D6_D5^63E1ABDD175E7871DCAEB710418A0F75
SIMULATED_8086_2A42_00000000_00020000_1010100^CDE365D1B3F0942F0CF38BFB8E127AB4

Under each is a tree called "00" two of the keys are
PrimSurfSize.cx
PrimSurfSize.cy

Under "00" was another branch also called "00" two of the keys are;
ActiveSize.cx
ActiveSize.cy

The first two of the configs (ie DELF00... & QHD3...) the above keys were 1440x900,
so they were not involved.

The third (SIMULATED...) were set to 1024x768.

I changed these to 1600x900 and the problem was solved.

Further I changed resolution (via control panel) to 1920x1080, the moving/resize issue returned,
but the lower right corner was set to 1600x900, ie the SIMULATED... settings.

So for some reason one of the configs does not get set correctly.

I don't know why there are three configs, I have only ever used one monitor.

Hope this helps someone out there...
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