You typically need to log out and back in for the change to take effect. Thus, if you want to restore to the default setting for mouse acceleration you would use this command:ĭefaults write. GlobalPreferences įor most mice in Mac OS X, the default is set to “2” or “3” but some users will find values as low as 0.125 and 0.25, it really depends on what type of mouse you are using and your version of Mac OS X. You can also read the current Mouse Acceleration setting by doing the following command:ĭefaults read. You can technically change the scaling number to just about anything you want by adjusting the number on the end. Hit return for the mouse scale to change, then log out and in or reboot for it to take effect.

You generally must log out for the change to take effect:ĭefaults write.

This is entered into the Terminal once and can be reversed or adjusted by changing the -1 at the end. The following defaults write command will disable the mouse acceleration curve in Mac OS X. There are several ways to disable or adjust the mouse acceleration curve in Mac OS X, here are 3 easy ways to turn it off or tweak the curve: 1 – Disable mouse acceleration with defaults How to Disable or Adjust Mouse Acceleration

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