Samsung NP900X3B Series 9 Notebook User Manual

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84Chapter 3.Settings and UpgradeBatteryAlternatively, to extend the battery lifePress the F2 key when the Samsung logo appears in thebooting 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 FunctionWhen charging/discharging the battery repeatedly for a short timeonly, the battery usage time may be reduced by the differencebetween the actual battery charge and the remaining chargedisplay.In this case, the actual battery charge and the remaining chargedisplay will be the same by discharging the battery completelyusing the Battery Calibration function, and then recharging itagain.The screen images and terms may differ from actual productdepending on the computer model and driver version.1 Disconnect the AC power adapter after turning off thecomputer.2 Restart your computer and press the F2 button when theSamsung logo appears, to start the BIOS Setup.3 Move to the Boot > Smart Battery Calibration item usingthe direction keys and press <Enter>.XXXXXXXX6QWEJ2CF/QWUG ='PCDNGF?+PVGTPCN.#0 ='PCDNGF?2:'1241/ =&KUCDNGF?5OCTV$CVVGT[%CNKDTCVKQP4 Highlight Yes in the Battery Calibration Confirmationwindow and press <Enter>.The Battery Calibration function is activated and the batteryis forcefully discharged. To stop the operation, press the<Esc> button.This operation requires 3~5 hours depending on the batterycapacity and the remaining battery charge.