I have three displays, a 4K display flanked by two 1080p displays. Physically, these monitors are roughly the same size. Furthermore, Windows 10 handles the DPI scaling of the 4K monitor separately from the 1080p monitors just fine. So while it appears as such to Windows
the real layout is three monitors of equal size side by side.
The problem is that the mouse keeps getting caught on the edges of display 2 and three when dragging from display 1. I would like the mouse to continue onto display 2 or 3 regardless of which part of the left or right edge of display 1 the mouse touches.
This question has been asked before (e.g. here) and a common answer is to suggest that this behaviour is intentional on the basis that mouse movement should reflect different size displays. Such an answer is not appropriate as it doesn’t consider DPI and scaling.
Solution:
Perhaps LittleBigMouse could help you out? It’s an alpha application, but it seems to be focusing on the issue you’re having.
DPI Aware mouse move across screens
Allows accurate mouse screen crossover location within multi dpi monitors environment. It is typically useful when using a 4k monitor and a full HD side by side.
Github:https://github.com/mgth/LittleBigMouse
Download (Releases):https://github.com/mgth/LittleBigMouse/releases