Samsung R21plus Laptop User Manual


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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.
3
Move to the Boot > Smart Battery Calibration item
using the direction keys and press <Enter>.
4
Highlight Yes in the Battery Calibration
Con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.
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