Sony VGC-LN1M User Manual page 120

If the computer is not used for a certain period of time, it will enter Sleep mode. To modify this, you can change the Sleep
mode settings.
To change the Sleep mode settings
1 Click Start, Control Panel, Hardware and Sound, and Power Options.
2 Click Change plan settings under the current power plan.
3 Change the time to place the computer into Sleep mode and click Save Changes.
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Customizing Your VAIO Computer
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