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Dual-Monitor causes mouse DPI increase. v 41.37 - IWBUMS Steam


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Dual-Monitor causes mouse DPI increase. It's not a game breaking bug, just one to add to the list.

 

Setup: 

Monitor 1: 1080p (1920x1080)

Monitor 2: 4k (3840x2160)

Mode: Mirrored (1080p Primary)

 

Bug: Mouse movement speed becomes twice as fast as desktop, and the size of the mouse icon doubles. I suspect something is happening with scaling, but I can't be sure. (Bug is present in vanilla and modded)

 

Reproduce: Any time I attach the HDMI for the 4k monitor while the game is CLOSED, the bug does NOT occur. I can launch the game, load a save, and then connect the HDMI with no change to mouse speed or pointer size. If at any time I alt-tab or otherwise minimize the game window, then return to the game, the bug does occur.

 

Fix: Close the game, disconnect the HDMI cable, relaunch the game, reconnect the HDMI cable. (Optional: 

 

 

Summary: Its a minor bug to be sure, but those with less technical backgrounds may find the sudden double-movement speed of the mouse to be unplayable and refund. We definitely want to prevent that. I can provide a short screen cap or other data if requested, such as a DXDIAG.

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