Samsung NP940X3M User Manual page 31

Basics
Configuring touchpad gestures
Configure touchpad gestures to use the touchpad more efficiently.
Select the Start button ( ) →
desired options.
Some options in the touchpad settings may not be
available depending on the model.
→ Devices → Touchpad →
Touchpad lock
Press and hold the Fn key and press the F5 key to lock the
touchpad.
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