Waking Up Your Computer - HP Compaq Presario,Presario 7479 Reference Manual

Waking Up Your
To wake your computer from the Sleep mode, press the Power button on the front of
Computer the computer or press the Sleep button on your Compaq Internet Keyboard. The
power status light on your computer will show green, indicating that the system is
active.
3-6 Saving Energy Using Sleep and Power Management