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Checkingthebatteryandoperationalcharging
Checkingthebattery
ThissystemsupportsonlybatteriesspeciallydesignedforthisspecificsystemandmanufacturedbyLenovo
oranauthorizedbuilder.Thesystemdoesnotsupportunauthorizedbatteriesorbatteriesdesignedforother
systems.Ifanunauthorizedbatteryorabatterydesignedforanothersystemsisinstalled,thesystemwill
notcharge.
Attention:Lenovohasnoresponsibilityfortheperformanceorsafetyofunauthorizedbatteries,and
providesnowarrantiesforfailuresordamagearisingoutoftheiruse.
Tocheckthepercentageofbatterypowerremainingorthebatterychargingstatus,clickthebatterystatus
iconintheWindows®notificationarea.Tocheckfordetailedbatterystatusinformation,dothefollowing:
•FortheMicrosoft®Windows7operatingsystem:Double-clickthebatterygaugeiconintherightsideof
thetaskbartoopenthePowerManagerprogramandthenclicktheBatterytab.
•ForWindows8.1:OpentheLenovoSupportprogramandclickBatteryHealth,oropentheLenovo
SettingsprogramandclickPower.
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”onpage54.
2.Removethecoin-cellbattery.See“1090Systemboardassembly,dc-inconnector,andthermalfan”
onpage66.
3.Measurethevoltageofthecoin-cellbattery.Seethefollowingillustration.
Wire
Voltage(Vdc)
Red+2.5to+3.2
Black
Ground
•Ifthevoltageiscorrect,replacethesystemboard.
•Ifthevoltageisnotcorrect,replacethecoin-cellbattery.
•Ifthecoin-cellbatterydischargesquicklyafterreplacement,replacethesystemboard.
Chapter3.Generalcheckout27
- ThinkPad11eandThinkPadYoga11e 1
- HardwareMaintenanceManual 1
- FirstEdition(May2014) 2
- ©CopyrightLenovo2014 2
- Contents 3
- AppendixA.Notices..........85 4
- Aboutthismanual 5
- Chapter1.Safetyinformation 7
- Safetyinspectionguide 8
- Chapter1.Safetyinformation3 9
- Groundingrequirements 10
- Chapter1.Safetyinformation5 11
- .Safetyinformation7 13
- Chapter1.Safetyinformation9 15
- VORSICHT 17
- .Safetyinformation11 17
- .Safetyinformation13 19
- .Safetyinformation15 21
- .Safetyinformation17 23
- StrategyforreplacingFRUs 25
- Howtouseerrormessage 26
- Productdefinition 26
- FRUidentification 26
- Chapter3.Generalcheckout 29
- Checkoutguide 30
- LenovoSolutionCenter 30
- Quicktestprograms 30
- UEFIdiagnosticprogram 31
- Bootablediagnosticprograms 31
- Powersystemcheckout 32
- Checkingtheacpoweradapter 32
- Checkingthecoin-cellbattery 33
- Passwords 38
- Power-onpassword 38
- Harddiskpassword 38
- Supervisorpassword 39
- Powermanagement 40
- Sleepmode 40
- Hibernationmode 41
- Symptom-to-FRUindex 41
- Numericerrorcodes 42
- Errormessages 43
- Beepsymptoms 43
- No-beepsymptoms 43
- LCD-relatedsymptoms 43
- Intermittentproblems 44
- Undeterminedproblems 44
- Chapter5.Locations 45
- Left-sideview 47
- Bottomview 48
- LocatingFRUsandCRUs 48
- MajorFRUs 49
- Formodelswithouttouchpanel: 51
- .Locations45 51
- Formodelswithtouchpanel: 53
- .Locations47 53
- LookingupFRUinformation 54
- Commonservicetools 55
- Screwnotices 55
- 90degreesmore 56
- (Cross-section) 56
- 180degreesmore 56
- RetainingtheUUID 57
- Generalguidelines 59
- Beforeservicingthecomputer 60
- Disablingthebuilt-inbattery 60
- RemovingamajorFRU 60
- 1010Bottomcover 60
- 1020Battery 61
- StepScrew(quantity)Color 62
- Black0.181Nm 62
- (1.85kgf-cm) 62
- 1040WirelessLANcard 64
- 1050Memorymodule 65
- 1060Coin-cellbattery 66
- 1070Keyboard 66
- Removalstepsofthekeyboard 67
- .RemovingorreplacingaFRU61 67
- .RemovingorreplacingaFRU63 69
- .RemovingorreplacingaFRU65 71
- 1100LCDunit 75
- 2010LCDbezelassembly 77
- 2020LCDpanel 78
- 2030Camera/microphoneboard 80
- Black0.294Nm 81
- (3.0kgf-cm) 81
- 3010LCDpanelassembly 83
- AppendixA.Notices 91
- Electronicemissionsnotices 92
- Trademarks 92
- *1PSP40F29949* 94
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