Sony PCG-C1VN Manual

Using Power Saving Modes

When you use a battery as the source of power for your computer, you can take 
advantage of power management settings to conserve battery life. In addition to 
the normal operating mode, which allows you to turn off specific devices, your 
computer has two distinct power saving modes: System Suspend and System 
Hibernation. When using battery power, you should be aware that the computer 
automatically enters System Hibernation mode when the remaining battery 
charge drops to approximately 10%, regardless of the power management setting 
you select.

This is the normal state of your computer when it is in use. The green power 
indicator light is on in this mode. To save power, you can turn off a specific 
device such as the LCD or the hard disk.

The computer saves the current state of the system in RAM and switches off 
power to the CPU. The green power indicator light flashes in this mode.

To activate System Suspend Mode

Press Fn+Esc. You can also right-click on the battery icon in the task bar and 
select System Suspend mode.

To return to normal Mode

Press any key.

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If your battery level falls to less than 10%, you should either attach the AC adapter to 

recharge the battery or shut down your computer and insert a fully charged battery.

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For details, see “Controlling Power Management” in the online manual Customizing 

Your VAIO® Notebook.