Samsung NP540U3C User Manual page 101

Battery
Using the power management program
This program helps you use the battery more efficiently
and supports the power mode optimized for the operating
environment.
1
Click Charms menu on the Desktop > Settings
Control Panel > Hardware and Sound > Power Options.
Alternatively, right-click the power measuring device icon
in the notification area of the taskbar and select Power
Options.
2
If the following screen appears, select one of the modes.
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Chapter 4.
100
Settings and Upgrade