User Manual (XP)
111
Extending the Battery Usage Time
Decreasing the LCD Brightness
Press the Fn +   keys on the keyboard 
to decrease the LCD brightness to extend 
the battery usage time.
Disabling Unused Devices 
(Only for Windows XP)
If you turn off unused devices, battery 
usage time will improve.
1
  Click Device Manager from Start 
> Control Panel > Performance 
and Maintenance > Systems > 
Hardware
 tab.
2
  Right-click the devices that you are 
not using and select Disable.
Using the Battery Calibration 
Function
When charging/discharging the battery 
repeatedly for a short time only, the 
battery usage time may be reduced by 
the difference between the actual battery 
charge and the remaining charge display.
In this case, the actual battery charge 
and the remaining charge display will 
be the same by discharging the battery 
completely using the Battery Calibration 
function, and then recharging it again.
1
  Disconnect the AC power adapter 
after turning off the computer.
2
  Restart your computer and press the 
F2 button when the Samsung logo 
appears, to start the BIOS Setup.










