Acer 2450 manual Function Left button Right Main touchpad Center Button

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Function	Left button (1)	Right	Main touchpad (2)	Center
		button (4)		button (3)
Execute	Quickly click		Tap twice (at the same
	twice.		speed as double-clicking
			a mouse button).
Select	Click once.		Tap once.
Drag	Click and hold,		Tap twice (at the same
	then use		speed as double-clicking
	finger on the		a mouse button); rest
	touchpad to		your finger on the
	drag the		touchpad on the second
	cursor.		tap and drag the cursor.
Access		Click
context		once.
menu
Scroll				Click and
				hold to
				move up/
				down/left/
				right.

Note: When using the touchpad, keep it — and your fingers — dry and clean. The touchpad is sensitive to finger movement; hence, the lighter the touch, the better the response. Tapping harder will not increase the touchpad's responsiveness.

Note: By default, vertical and horizontal scrolling is enabled on your touchpad. It can be disabled under Mouse settings in Windows Control Panel.