Sony VGC-LS1 - Manual (Page 99)

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Customizing Your VAIO Computer
Using the Power Saving Modes
In addition to the normal operating mode, which allows you to turn off specific devices, your computer has two distinct power
saving modes: Standby and Hibernate.
To set the timer for the computer to automatically enter Standby or Hibernate mode after a certain period of time, click Start
and Control Panel. Click Performance and Maintenance and Power Options, and then change the settings under Power
Schemes.
Using Normal Mode
This is the normal state of the computer when it is in use. The green power indicator light is on in this mode. To save power
while not working, you can turn off a specific device such as the LCD screen or the hard disk.