Using The Power Button - HP Compaq Presario,Presario 7479 Reference Manual

Using the Power Button

The Power button can perform the following functions:
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CAUTION: Pressing the Power button for 4 seconds or more will completely turn off the computer
without properly shutting down Microsoft Windows. The 4-second off feature should be used only
when it is necessary to restart the computer after a system lockup. You will not be prompted to save
open files; work that you have not saved will be lost.
It is very important that you save all data before your computer enters the Sleep
mode. Unsaved data may be lost if the following events occur:
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CAUTION: Unsaved information will be lost if you shut down your computer or it loses power prior to
wakeup.
3-4
Turn on the computer.
Wake your computer from the Sleep mode.
Shut down the computer.
Completely turn off the computer if pressed for more than 4 seconds.
Computer is shut down while in the Sleep mode.
Electrical power fails while your computer is in Sleep mode.
Saving Energy Using Sleep and Power Management