HP OmniBook XE3 Reference Manual page 49

Note
Off
Action Turning off your computer provides
maximum power savings. The current
session is not saved and unsaved data will
be lost.
Start, Shut Down, Shut down.
When
Slide the power switch to the left to start a
Resume
new session. This will take several
seconds.
If the system stops responding and you are not able to turn off the computer as described
above, you can still recover; see "To reset your computer" on page 26.
When the system hibernates as a result of a critically low battery, you will find when
resuming that all your data has been saved but that some functions may be disabled. To
resume normal operation, restore power (by connecting AC power or installing a
charged battery), perform a full shutdown, and then restart the computer.
Traveling with Your Computer
Managing Power Consumption
Reference Guide 49