Checkingthebatteryandoperationalcharging
Checkingthebattery
ThissystemsupportsonlybatteriesspeciallydesignedforthisspecificsystemandmanufacturedbyLenovo
oranauthorizedbuilder.Thesystemdoesnotsupportunauthorizedbatteriesorbatteriesdesignedforother
systems.Ifanunauthorizedbatteryorabatterydesignedforanothersystemsisinstalled,thesystemwill
notcharge.
Attention:Lenovohasnoresponsibilityfortheperformanceorsafetyofunauthorizedbatteries,and
providesnowarrantiesforfailuresordamagearisingoutoftheiruse.
Moveyourpointertothebattery-statusiconintheWindows
®
notificationareatocheckthebatterystatus.
Thebattery-statusicondisplaysthepercentageofbatterypowerremainingandhowlongyoucanuse
yourcomputerbeforeyoumustchargethebattery.
Checkingtheoperationalcharging
Tocheckwhetherthebatterychargesproperlyduringoperation,dothefollowing:
1.Dischargethebatteryuntiltheremainedbatterypowerislessthan50%.
2.Performoperationalcharging.ClickthebatterystatusiconintheWindowsnotificationareatodisplay
detailedbatteryinformation.Ifitindicatesthatthebatteryisnotcharging,replacethebattery.
3.Checkthebatterystatusagain.Ifthesameerrorstillexists,replacethesystemboard.
Checkingthecoin-cellbattery
Tocheckthecoin-cellbattery,dothefollowing:
1.Disablethebuilt-inbattery.See“Disablingthebuilt-inbattery”onpage60.
2.Removethecoin-cellbattery.See“1090Systemboardassembly,dc-inconnector,andthermalfan”
onpage70
.
3.Measurethevoltageofthecoin-cellbattery.Seethefollowingillustration.
Wire
Voltage(Vdc)
Red+2.5to+3.2
Black
Ground
•Ifthevoltageiscorrect,replacethesystemboard.
•Ifthevoltageisnotcorrect,replacethecoin-cellbattery.
•Ifthecoin-cellbatterydischargesquicklyafterreplacement,replacethesystemboard.
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