Sony VAIO VPCM1 - Manual (Page 28)

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Getting Started >
Using the Power Saving Modes
Using Hibernate Mode
To activate Hibernate mode
Press the Fn+F12 keys.
Alternatively, you can click Start, the arrow next to the Shut down button, and Hibernate.
!
Do not move your computer before its power indicator light turns off.
To return to Normal mode
Slide the power switch (in the direction of G on the switch).
!
If you slide (in the direction of G on the switch) and hold the power switch for more than four seconds, your computer will turn off automatically.