To Manage Power Manually - HP Notebook PC Reference Manual

Power mode Does this...
Standby Maintains your current
session in RAM, and turns off
the display and other
components.
Hibernate Saves the current session to
disk, then shuts down.
Provides maximum power
savings while still allowing you
to recover the current session.
Off Turns off your computer,
providing maximum power
savings. The current session
will not be saved, and any
unsaved data will be lost.

To manage power manually

In addition to allowing the computer to enter its power-saving modes automatically, you
can also put it into any of the following three modes whenever you need to.
You can also turn off the display by closing the lid.
Batteries and Power Management
Managing Power Consumption
Use when...
You will be away
from your computer
for up to several
hours.
You will be away
from your computer
for a day or more,
but want to continue
your session.
You're done with
your work.
To enter this mode...
Press blue sleep button
–or–
click Start, Shut Down,
Standby (Windows 98 or 2000)
–or–
click Start, Turn Off Computer,
Stand By (Windows XP).
Press Fn+F12
–or–
click Start, Shut Down,
Hibernate (Windows 2000)
–or–
click Start, Hibernate
(Windows 98).
Click Start, Shut Down, Shut
down (Windows 98 or 2000)
–or–
click Start, Turn Off Computer,
Turn Off (Windows XP)
–or–
slide the power button (only if
the Start menu procedure
doesn't work).
Reference Guide 53