That kind of cursor flickering usually comes from mouse input conflicts or polling issues, especially in some games that handle raw input differently. Since you already lowered the polling rate and tested graphics settings, try a few other things: disable mouse acceleration or raw input in the game settings if available run the game in borderless windowed mode instead of exclusive fullscreen close Logitech G Hub or gaming overlays while testing try plugging the mouse into a different USB port It’s also a good idea to make sure the mouse itself is sending stable input signals. You can quickly check your mouse clicks buttons and polling behavior using tools on Click Test Now. You can test your mouse here http://clicktestnow.com/ It helps verify if the mouse is producing unstable input that could cause cursor flickering in games.