Samsung NT270E5KI User Manual page 24

Basics
Configuring touchpad gestures
Configure touchpad gestures to use the touchpad more efficiently.
Open the Charms and then select the Settings charm → Control
Panel → Hardware and Sound → Touchpad → desired options.
To cancel touchpad gestures, drag the switches for corresponding
options to the left.
Some options in the touchpad settings may not be
available depending on the model.
Touchpad lock
Hold down the Fn key and press the F5 key. You can lock the
touchpad.
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