Power Management; Shutting Down The Computer - HP ProBook 4525s - Notebook PC Reference Manual

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Power management

NOTE: A computer may have a power button or a power switch. The term power button is used
throughout this guide to refer to both types of power controls.
NOTE: Windows 7 uses Sleep, Windows Vista uses Sleep, and Windows XP uses Standby. The term
Sleep is used throughout this guide to refer to both. Differences between the operating systems that
affect any of the procedures are noted.

Shutting down the computer

CAUTION:
The shut down command closes all open programs, including the operating system, and then turns off
the display and computer.
Shut down the computer under any of the following conditions:
●
When you need to replace the battery or access components inside the computer
●
When you are connecting an external hardware device that does not connect to a Universal Serial
Bus (USB) port
●
When the computer will be unused and disconnected from external power for an extended period
Although you can shut down the computer with the power button, the recommended procedure is to use
the Windows shut down command:
NOTE: If the computer is in the Sleep state or in Hibernation, you must first exit Sleep or Hibernation
before shutdown is possible.
1. Save your work and close all open programs.
2. Windows 7—Select Start > Shut down.
Windows Vista—Select Start, click the arrow next to the Lock button, and then click Shut
Down.
Windows XP—Select Start > Turn Off Computer > Turn Off.
NOTE:
instead of Turn Off Computer.
If the computer is unresponsive and you are unable to use the preceding shutdown procedures, try the
following emergency procedures in the sequence provided:
●
Windows 7—Press ctrl+alt+delete, and then click the Power button.
Windows Vista—Press ctrl+alt+delete, and then click the Power button.
Windows XP—Press ctrl+alt+delete. Click Shut Down, and then click Turn Off.
●
Press and hold the power button for at least 5 seconds.
● Disconnect the computer from external power and remove the battery.
Unsaved information is lost when the computer shuts down.
If you have been registered to a network domain, the button you click is called Shut Down
Shutting down the computer 21