HP 255 G4, Maintenance And Service Manual

Page: 18 / 108

Buttons
Component Description
(1) Power button
●
When the computer is off, press the button to turn on the
computer.
●
When the computer is on, press the button briefly to
initiate Sleep.
●
When the computer is in the Sleep state, press the button
briefly to exit Sleep.
●
When the computer is in Hibernation, press the button
briefly to exit Hibernation.
CAUTION: Pressing and holding down the power button will
result in the loss of unsaved information.
If the computer has stopped responding and Windows shutdown
procedures are ineffective, press and hold the power button
down for at least 5 seconds to turn off the computer.
To learn more about your power settings in Windows 8.1, see
your power options.
▲ From the Start screen, type
power
, select Power and
sleep settings , and then select Power and sleep from the
list of applications.
‒ or –
From the Windows desktop, right-click the Start button,
and then select Power Options .
To learn more about your power settings in Windows 7, select
Start > Control Panel > System and Security > Power Options .
10 Chapter 2 External component identification