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December 14th, 2014 19:00

P2815Q, Windows 7, repositioned/resized windows

I first describe the hardware:  My computer is a HP Pavilion p6230f desktop pc, running Windows 7.  The pc has 8 GB RAM, an AMD Phenom II X4 810 processor, and integrated ATI Radeon HD 4200 graphics.  Output video ports on the pc are VGA and DVI-D (dual link).  The computer has a 300W power supply.

I have a brand new Dell P2815Q monitor.  The monitor's HDMI port is connected to the pc's DVI-D port. Resolution is set at 2560 x 1440, scanned at 30 Hz. That seems to be the highest resolution the pc's integrated graphics are capable of; it's not the highest (3840 x 2160 at 30 Hz) of which the Dell P2815Q is supposed to be capable.

Here's the problem:  When my computer wakes up from sleep/hibernation mode, the open windows are (sometimes, but not always) repositioned and resized from what they were prior to entering sleep mode.  The result is that I have to spend several minutes positioning and sizing the windows to where they were before.  In particular Mackichan Software's Scientific WorkPlace 5.0 has its numerous floating button bars moved around by the resizing process; they then have to be moved back for me to use efficiently that program. 

Windows 7 Update reports no newer drivers for the monitor.

This repositioning/resizing behavior did not occur with my prior monitor, a Dell 2405FPW.  Can anyone tell why this behavior has suddenly started and what can be done to eliminate it?  I am trying to avoid, at least for now, the expense of a more powerful graphics card and the bigger power supply to go with it.  My goal in buying the P2815Q monitor was to get more screen real estate, so I can have several windows open simultaneously but with print still readable to my aging eyes.  I am not a gamer, with a need for fast video responsiveness.

Another thing:  The P2815Q has this rather ghastly fluorescent light appearance to it.  I have tried to adjust the P2815Q to a "warmer setting", and that has helped a bit; but the P2815Q is so far much more fatiguing to look at than was my old Dell 2405FPW.  I was happy to recommend that old monitor to people; so far I cannot say the same for the new one.

1 Message

January 27th, 2015 09:00

Did you ever get an answer to the resizing problem.  I have the same issue.  Thanks.

234 Posts

January 29th, 2015 06:00

Can anyone tell why this behavior has suddenly started and what can be done to eliminate it?

The monitor is a passive device - it has no control over what is displayed on it. The problem is likely to lie with the HD4200 - it could drive the 2405FPW at its native resolution, but not the P2815Q. On wakeup, the P2815Q tells the HD4200 that it is native at 3840x2160, open windows are sized accordingly, then the HD4200 reduces the resolution to 2560x1440 and your window positions end up all changed from where you left them.

The loss of open window positions is a common problem whenever screen resolution is changed...

234 Posts

February 27th, 2015 12:00

Here's the problem:  When my computer wakes up from sleep/hibernation mode, the open windows are (sometimes, but not always) repositioned and resized from what they were prior to entering sleep mode.  The result is that I have to spend several minutes positioning and sizing the windows to where they were before.

If you use Dell Display Manager (DDM) and are comfortable editing the registry, try adding the value "RestoreWindowLayout" to HKEY_CURRENT_USER\Software\EnTech\DDM and setting it to 1 (dword); then restart DDM and see if things are improved when you resume from a power saving state.

You'll need to have the latest version of DDM (b.1554) for this to work; hold down the Shift key while right-clicking on the DDM notification tray icon, and select "Check for new version" from the popup menu.

February 2nd, 2017 11:00

Did the above mentioned troubleshooting worked? Having the same issue with several of the same monitors.. :-(

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