Lenovo B580 Notebook Bedienungsanleitung PDF herunterladen (Seite 37)

Note:Noisefromtheacpoweradapterdoesnotalwaysindicateadefect.

Checkingoperationalcharging

Tocheckwhetherthebatterychargesproperlyduringoperation,useadischargedbatterypackorabattery

packthathaslessthan50%ofthetotalpowerremainingwheninstalledinthecomputer.

Performoperationalcharging.Ifthebatterystatusindicatororicondoesnotturnon,removethebattery

packandletitreturntoroomtemperature.Reinstallthebatterypack.Ifthechargeindicatororiconstilldoes

notturnon,replacethebatterypack.

Ifthechargeindicatorstilldoesnotturnon,replacethesystemboard.Thenreinstallthebatterypack.Ifitis

stillnotcharged,gotothenextsection.

Checkingthebatterypack

ThebatterystatusiconintheWindows

noticationareadisplaysthepercentageofbatterypowerremaining.

TocheckfordetailedbatterystatusinformationontheWindowsoperatingsystem,dothefollowing:

•Windows7:LaunchthePowerManagerprogramandclicktheBatterytab.

•Windows8:

–PresstherecoverybuttontolaunchtheLenovoSolutionCenterprogram,andthenclickBattery.

–PressFn+EsctolaunchtheLenovoExperienceprogram,andthenclickBatteryHealth.

Tocheckthebatterypack,dothefollowing:

1.Turnoffthecomputeranddisconnecttheacpoweradapter.

2.Removethebatterypackandmeasurethevoltagebetweenbatteryterminals1(+)and7(-).

Terminal

Voltage(Vdc)

1+0to+14

Ground(-)

1(+)

2(+)

6(-)

7(-)

3.Ifthevoltageislessthan+11.0Vdc,thebatterypackhasbeendischarged.

Note:Rechargingwilltakeatleast3hours,eveniftheindicatordoesnotturnon.

Ifthevoltageisstilllessthan+11.0Vdcafterrecharging,replacethebatterypack.

4.Ifthevoltageismorethan+11.0Vdc,measuretheresistancebetweenbatteryterminals5and7.

Theresistancemustbe4to30KΩ.

Iftheresistanceisnotcorrect,replacethebatterypack.Iftheresistanceiscorrect,replacethesystem

board.

Chapter3.Generalcheckout31

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Lenovo B580 Notebook Bedienungsanleitung Seite 37