HP Compaq Presario C542EA Notebook PC - Manual (Page 12)

Display components
Component Description
(1) Display release button Opens the computer.
(2) Internal display switch Initiates Sleep if the display is closed while the notebook is turned
on.
CAUTION The internal display switch is magnetic. Keep
diskettes and other magnetic media away from magnetic
fields, which can erase data.
Front components
Component Description
(1) Speakers (2) Produce system sound.
(2) Display release button Opens the computer.
6 Chapter 1 Notebook Tour ENWW