Dell Inspiron 17 (7737, Mid 2013) - Manual (Page 51)

Using Your Touchpad
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Touchpad Gestures
NOTE: Some touchpad gestures may not be supported on your
computer.
NOTE: You can change the touchpad gestures settings by
double‑clicking the touchpad icon in the notification area.
Your computer may support Scroll, Zoom, Rotate, Flick, and Quick Launch
gestures.
Scroll
Pan — Allows you to move the focus on the selected
object when the entire object is not visible.
Move two fingers in the desired direction to pan
scroll the selected object.
Vertical Auto-Scroll — Allows you to scroll up or
down on the active window.
Move two fingers up or down at a fast pace to start
vertical auto‑scroll.
Tap on the touchpad to stop auto‑scroll.
Horizontal Auto-Scroll — Allows you to scroll left or
right on the active window.
Move two fingers left or right at a fast pace to start
horizontal auto‑scroll.
Tap on the touchpad to stop auto scrolling.