Sony VGN-TX1HP/W User Manual page 30

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 peripheral devices are written to the hard disk and the system
power is turned off. To return the system to its original state, use the power switch to turn on the
power.
For details on power management, see Using the Power Saving Modes
n 30 N
Using Your VAIO Computer
(page 93).