Sony PCG-505F - Manual (Page 44)

VAIO 505 SuperSlim Notebook User Guide !
System Hibernation Mode
The state of the system is saved on the hard drive and power is turned off.
The power indicator light is off in this mode.
To activate System Hibernation mode
Press Fn+F12. You can also use the PowerPanel utility to enter System
Hibernation mode.
To return to normal mode
Turn on the computer by sliding the power switch forward. The
computer returns to its previous state.
❑ Time to return to normal mode:
System Suspend requires less time than System Hibernation
❑ Power consumption:
System Suspend uses more power than System Hibernation
✍
When returning from System Hibernation mode, the system status stored on the hard disk is
erased and the computer starts normally if you slide the power switch forward and hold for
more than four seconds.