HP ProBook 440 G2 Notebook PC - Manual (Page 44)

Turning the TouchPad off and on
To turn the TouchPad off and on, quickly double-tap the TouchPad on/off button.
Tapping
To make an on-screen selection, use the Tap function on the TouchPad.
● Tap one finger on the TouchPad zone to make a selection. Double-tap an item to open it.
34 Chapter 4 Navigating using the keyboard, touch gestures and pointing devices