Sony VGN-SZ300 - Manual (Page 138)

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Customizing Your VAIO Computer
Using the Power Saving Modes
When you use a battery pack as the power source 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: Standby and Hibernate. When using battery power, you should be aware that the
computer will automatically enter Hibernate mode if the remaining battery charge becomes short, regardless of the power
management setting you select.
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.
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If the battery level falls below 10 percent, you should either attach the AC adapter to recharge the battery pack or shut down your computer and install
a fully charged battery pack.
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.