Cursor changes in Windowed Borderless Mode

When I'm playing League on my Laptop (Windows 10) in Borderless Windowed Mode the mouse cursor changes from the League cursor to the standard Windows cursor when I move my mouse to the edge of the screen, e.g. for scrolling. When I use certain in-game commands like A+Click it changes back to the League cursor and then back to the Windows cursor whenever I scroll. This is really annoying and distracting. I don't really have any stuff running in the background and I removed and/or disabled almost all of the Windows 10 "features" for better performance etc. Anyone have a clue what could cause this or how to fix it? Edit: Fixed it by activating the compatibility setting "Override high DPI scaling behavior." in the game client application properties.
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