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Windows 7: Windows are wrong size after switching GPUs

01 Jun 2017   #1

W7 Ultimate x64
Windows are wrong size after switching GPUs

Hi y'all :)

Since I've changed my GPU from an AMD R9 290 to an Nvidia GTX1080, my W7 is showing an odd behaviour regarding windows that aren't snapped to a side of the monitor or maximized, ie "floating" like my file explorer. When I shut off my monitor or when it disables the video signal after a few minutes (screen saver) and I then reactivate it, the floating windows are resized to approx. 640x480px and are located in the upper left corner. When the monitor is deactivated, I hear the typical "something disconnected" sound as well as the other sound when it reconnects. I found the following keys to edit in the registry, but my files are named differently (although the subfolders are identical) and it didn't change anything. I know it started occuring after I swapped the GPU, but I uninstalled the drivers with the Disk Driver Uninstaller tool.

How can I stop windows re-positioning after waking from sleep? - Super User

Also, my desktop icons are all messed up after each time the monitor is shut off or in sleep mode. I tried the Nvidia drivers 382.05 and 382.33, changing didn't do anything.

Does anyone have an idea what's going on? System: W7 Ultimate x64, i7 6800k, 32GB DDR4 RAM, GTX 1080, MSI X99a Raider, Asus MG278Q connected via display plort. I'd appreciate any help, I don't really know what to do and I'd like to avoid reinstalling or upgrading to W10 :/

My System SpecsSystem Spec
01 Jun 2017   #2

Win-7-Pro64bit 7-H-Prem-64bit

Nice build
Not sure what would cause that except drive clashes
Have you tried clean boot ?
Use Clean boot,
Troubleshoot Application Conflicts by Performing a Clean Startup
My System SpecsSystem Spec
02 Jun 2017   #3

W7 Ultimate x64


I'll try that and get back to you, but it will probably take me a few days.
My System SpecsSystem Spec

02 Oct 2017   #4

W7 Ultimate x64

Hi again after a long time

I've found not necessarily THE solution, but a solution. After Windows killed itself while recovering from sleepmode, I had to reinstall everything and hoped the issue would be gone. It persisted though and after further research, I've found the tip to use a HDMI cable instead of DP. Voilą - resolved!
My System SpecsSystem Spec

 Windows are wrong size after switching GPUs

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