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Using your VAIO computer
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If you press the power button for more than four seconds, the computer will switch off automatically. You will lose any unsaved data.
When the computer is in Standby mode, you cannot insert a disc.
The computer comes out of Standby mode quicker than out of Hibernate mode.
Standby mode uses more power than Hibernate mode.
If the battery runs down when your computer enters Standby mode, you will lose any unsaved data. Going back to the previous work state is impossible. To avoid loss of data, you should save your data frequently.
If the computer is not used for 25 minutes, it will enter System Standby mode when running on AC power. When running on batteries, the computer also will enter System Standby mode after 25 minutes if unused. To avoid this, you can change the settings in the Power Options Properties screen
The state of the system is saved on the hard disk and power is turned off. Even when the battery runs down, no data will be lost. The power indicator light is off in this mode.
To activate Hibernate mode, proceed as follows:
Press <Fn>+<F12>.
The Hibernating screen appears and the computer enters Hibernate mode.
Alternatively,
Click Start, and then Turn Off Computer.
In the Turn off computer screen, hold down the <Shift> key and click Hibernate.