Sony PCG-FXA53 - Manual (Page 28)

VAIO® Computer Quick Start
28
To return to normal mode
To return to normal mode, turn on the notebook by pressing the power button.
The notebook returns to its previous state.
❑ Standby uses more power than Hibernate.
❑ Standby requires less time than Hibernate to return to normal mode.
✍
When returning from Hibernate mode, the system status stored on the hard disk drive
is erased and the notebook starts normally if you press the power button and hold it
for more than four seconds.