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

3-4 Saving Energy Using Sleep and Power Management

Using the Power Button

The Power button can perform the following functions:
x Turn on the computer.
x Wake your computer from the Sleep mode.
x Shut down the computer.
x Completely turn off the computer if pressed for more than 4 seconds.
CAUTION: Pressing the Power button for 4 seconds or more will completely turn off
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the computer without properly shutting down Microsoft Windows. The 4-second off
feature should only be used when it is necessary to restart the computer if you
experience 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:
x Computer is shut down while in the Sleep mode.
x Electrical power fails while your computer is in Sleep mode.
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CAUTION: Unsaved information will be lost if you shut down your computer or it
loses power prior to wakeup.

Sleep Mode

The Sleep mode is a low power standby state that reduces the amount of electrical
power consumed by your Internet PC while you are not actively using it. Microsoft
Windows Power Management will automatically put your Internet PC into the
Sleep mode once the power scheme timers expire. Or, you may choose to activate
Sleep mode immediately using one of the following methods:
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NOTE: The Sleep button on your Compaq Internet Keyboard can only be used to put
the computer into the Sleep mode. Pressing it will not turn on or turn off the
computer.