Samsung NP900X4D-A04US - Manual (Page 85)

84
Chapter 3.
Settings and Upgrade
Battery
Alternatively, to extend the battery life
Press the F2 key when the Samsung logo appears in the
booting sequence to enter the BIOS Setup, select Advanced
> Battery Life Cycle Extension, and set it to Enable.
Then you can use the battery life cycle extension mode.
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 diff erence
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.
The screen images and terms may diff er from actual product
depending on the computer model and driver version.
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.
3
Move to the Boot > Smart Battery Calibration item using
the direction keys and press <Enter>. XXXXXXXX
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+PVGTPCN.#0 ='PCDNGF?
2:'1241/ =&KUCDNGF?
5OCTV$CVVGT[%CNKDTCVKQP
4
Highlight Yes in the Battery Calibration Confi rmation
window and press <Enter>.
The Battery Calibration function is activated and the battery
is forcefully discharged. To stop the operation, press the
<Esc> button.
This operation requires 3~5 hours depending on the battery
capacity and the remaining battery charge.