Windows applications resized incorrectly when moving between monitors with different resolutions and scaling

4k-resolutionhigh-dpimultiple-monitorswindows 10windows-10-v1703

I have a new laptop that has a 4K display. It's set at the recommended 250% zoom level. I also have 2 Full HD monitors plugged into it (1920×1080) each set at the recommended zoom level of 100%. The 4K display is in the middle with Full HD monitor on each side.

The issue I'm having is moving an application from the Full HD screen to the 4K display and vice versa. When using the Windows-Shift Right/Left keys to move between screens, the application usually gets resized incorrectly where it ends up being too small or too large (exceeding the screen) and I need to manually resize it. A similar problem happens if I drag an application from the 4K to the Full HD screen and vice versa. It's become a hassle to have to manually resize the applications after they are moved to a different display.

Does anyone have any tips on how to make the applications resize accurately when moving them to a different resolution/zoom level monitor? I'd consider a 3rd party application if Windows itself is unable to do it. I'm on Windows 10 Creators Update.

Examples

Below shows what happens when I move Chrome, the MS Calculator app and File Explorer from one screen to the next using the Windows-Shift Left/Right keyboard shortcuts.

Chrome
Chrome Step 1

(Chrome didn't move over completely to the middle screen – it's on both screens)
Chrome Step 2

Calculator App
Calculator App Step 1

(a little too small when moved to the 4K display, could be larger)
Calculator App Step 2

(now moving back to the Full HD screen, it's gigantic and off the screen)
Calculator App Step 3

File Explorer
File Explorer Step 1

(same as Chrome, moving to the 4K screen, it's on 2 screens)
File Explorer Step 2

(moving back to the Full HD screen, it's very small. If I continue to move back to the 4K screen and then back to the Full HD screen, it gets even smaller)
File Explorer Step 3

Best Answer

I have a lame workaround - still seeking a solution. When you drag the window from the 4K resolution monitor to the HD monitor, it will automatically resize if the entire app fits the HD screen vertically. That means that if you shrink the height by 2.5x before dragging it, the app will resize to a readable resolution on the 4K monitor. The application window is now 2.5x too small, but fits the monitor, so it can be easily resized to a comfortable size. It a bit annoying, but with practice.... nah, let's face it - The only real solution is to upgrade your monitors.

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