Sony PCG-VX88 - Manual (Page 33)

Using Power Saving Modes
33
To activate Hibernate mode
1 Press the key combination Fn+F12, or press the power button and release it
immediately. The “Preparing to Hibernate” screen appears, and the computer
enters Hibernate mode.
2 Press the power button to return to normal mode.
Notes on power saving modes
❑ Standby uses more power than Hibernate.
❑ Standby requires less time than Hibernate to return to normal mode.
✍
Do not move the computer until its power indicator turns off.