Now you will see Disable and Enable option.Then you will see Hardware & Sound option.First, you can try the shortcut key if that method does not work then you can use this method. In this way, you can easily Turn off your Touchpad. Find Mice and Other Devices then click on “+”.Now just scroll down and find Mice and Other Devices.by using these keys you can easily Enable or Disable your ASUS touchpad. If you want to Turn on or Turn off ASUS Touchpad only using keyboard shortcuts then you can use the ‘ Fn + F3‘ or ‘ Fn + F9‘ key on your laptop keyboard.