NOTE: If you prefer, you can edit the list of DPI values to the left of the graph from 200-12000. For each DPI level you set, you'll see a tick mark. Under DPI Sensitivity Levels, drag the tick mark along the graph. The screen will now change to show the configuration view. The mouse will now be in On-Board Memory mode and all of the customizations you make will be written directly to the mouse. Make sure the blue marker next to the icon is to the left. Start > All Programs > Logitech > Logitech Gaming Software 8.x NOTE: To learn more about On-Board Memory, see answer 360023259014.