Table 2-6  Special keys and their descriptions
Component Description
(1) esc key Activates certain computer functions when pressed in 
combination with other keys, such as tab or shift.
(2) Action keys Execute frequently used system functions.
(3) Power key  ● When the computer is o, press the button briey to turn 
on the computer.
● When the computer is in the Sleep state, press the button 
briey to exit Sleep (select products only).
● When the computer is in Hibernation, press the button 
briey to exit Hibernation.
IMPORTANT: Pressing and holding down the power button 
results in the loss of unsaved information.
If the computer has stopped responding and shutdown 
procedures are ineective, press and hold the power button for 
at least 10 seconds to turn o the computer.
(4) Search key Opens a search box.
Bottom
Use the illustration and table to identify the bottom component.
Table 2-7  Bottom component and its description
Component Description
Vent  Enables airow to cool internal components.
NOTE: The computer fan starts automatically to cool internal components 
and prevent overheating. It is normal for the internal fan to cycle on and o 
during routine operation.
Bottom 9