Windows: Settings > Bluetooth & devices > Mouse > Additional mouse settings > Pointer Options > uncheck Enhance pointer precision
Windows: Control Panel > Mouse > Pointer Options > uncheck Enhance pointer precision
Windows: set mouse sensitivity to a fixed value and keep DPI constant in your mouse software
Windows: disable any mouse acceleration options in Logitech G HUB, Razer Synapse, Corsair iCUE, SteelSeries GG, or similar software
macOS: System Settings > Mouse > turn off tracking acceleration if available in your version or use a third-party utility
macOS: use a terminal tool or utility such as LinearMouse, USB Overdrive, or SteerMouse to disable acceleration
Linux: use your desktop settings to set pointer acceleration to flat or disabled
Linux: run xinput set-prop “device name” “libinput Accel Profile Enabled” 0, 1
Linux: run xinput set-prop “device name” “libinput Accel Speed” 0
In games: disable raw input if needed, or enable raw input to bypass OS acceleration
In games: turn off any in-game mouse smoothing or acceleration options
In BIOS/UEFI: check for any pointer or mouse enhancement options and disable them if present