Sony PCG-GRX500K - Manual (Page 47)

Using Power Saving Modes
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Activating Hibernate mode
To activate Hibernate mode, press the key combination Fn+F12.
Returning 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 requires less time than Hibernate to return to normal mode.
❑ Standby uses more power than Hibernate.
✍
The “Save to Disk Manager” screen opens, and then the notebook enters Hibernate
mode.
Do not move the notebook until its power indicator turns off.
✍
When returning from Hibernate mode, the system status stored on the hard disk is
erased and the notebook starts normally if you press the power button and hold for
more than 4 seconds.