Asus G55VW User Manual page 57

Three-finger swiping - Using three fingers on the touchpad, you can
swipe pages from left to right/right to left. You can also use this gesture
to switch between active windows on your desktop.
Swipe left/right to go back and
forth between active windows or
folder layers.
Notebook PC User Manual
Swipe up to show all applications.
Swipe down to show desktop.
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