HP ProBook 6555b User Manual page 12

Component
(1) Pointing stick (select models only)*
(2) Left pointing stick button (select models only)*
(3) TouchPad*
(4) Left TouchPad button*
(5) Right pointing stick button (select models only)*
(6) TouchPad scroll zone
(7) Right TouchPad button*
*This table describes factory settings. To view or change pointing device preferences, select Start > Devices and Printers.
Then, right-click the device representing your computer, and select Mouse settings.
2 Chapter 1 Features
Description
Moves the pointer and selects or activates items on the screen.
Functions like the left button on an external mouse.
Moves the pointer and selects or activates items on the screen.
Functions like the left button on an external mouse.
Functions like the right button on an external mouse.
Scrolls up or down.
Functions like the right button on an external mouse.