Sony VAIO VGN-FZ Series User Manual page 32

Combinations/Feature
Fn + (F12): Hibernate
Functions
Provides for the lowest level of power consumption. When you execute this command, the
states of the system and the connected peripheral devices are written to the hard disk drive and
the system power is turned off. To return the system to its original state, use the power button
to turn on the power.
For details on power management, see Using the Power Saving Modes
n 32 N
Using Your VAIO Computer
(page 99).