–Yourngerisstainedwithdirt,mud,oroil.
–Thesurfaceofyourngerisverydifferentfromwhenyouenrolledyourngerprint.
–Yourngeriswet.
–Angerisusedthathasnotbeenenrolled.
Toimprovethesituation,trythefollowing:
–Cleanorwipeyourhandstoremoveanyexcessdirtormoisturefromthengers.
–Enrollanduseadifferentngerforauthentication.
–Ifyourhandsaretoodry,applylotiontothem.
Batteryandpower
Thissectiontellswhattodoifyouhaveabatteryandpowerproblem.
Batteryproblems
•Problem:Thebatterycannotbefullychargedbythepower-offmethodinthestandardchargetimefor
yourcomputer.
Solution:Thebatterymightbeover-discharged.Dothefollowing:
1.Turnoffthecomputer.
2.Connecttheacpoweradaptertothecomputerandletitcharge.
IftheoptionalQuickChargerisavailable,useittochargetheover-dischargedbattery.
Ifthebatterycannotbefullychargedin24hours,callLenovoCustomerServiceCentertohaveitserviced.
•Problem:Yourcomputershutsdownbeforethebatterystatusindicatorshowsempty,-or-Your
computeroperatesafterthebatterystatusindicatorshowsempty.
Solution:Dischargeandrechargethebattery.
•Problem:Theoperatingtimeforafullychargedbatteryisshort.
Solution:Dischargeandrechargethebattery.Ifyourbattery'soperatingtimeisstillshort,callLenovo
CustomerServiceCentertohaveitserviced.
•Problem:Thecomputerdoesnotoperatewithafullychargedbattery.
Solution:Thesurgeprotectorinthebatterymightbeactive.Turnoffthecomputerforoneminutetoreset
theprotector;thenturnonthecomputeragain.
•Problem:Thebatterycannotbecharged.
Solution:Youcannotchargethebatterywhenitistoohot.Turnoffthecomputerandallowittocoolto
roomtemperature.Ifitstillcannotbecharged,callLenovoCustomerServiceCentertohaveitserviced.
ACpoweradapterproblems
•Problem:Theacpoweradapterisconnectedtothecomputerandtheworkingelectricaloutlet,butthe
poweradapter(powerplug)iconisnotdisplayedinthetaskbar.Alsotheacpowerindicatordoes
notlightup.
Solution:Doasfollows:
1.Makesurethattheconnectionoftheacpoweradapteriscorrect.Forconnectingtheacpower
adapter,seetheSetupInstructionsmanualincludedintheshippingcontentsofyourcomputer.
2.Iftheabovestepiscorrect,turnoffthecomputer,thendisconnecttheacpoweradapter.
3.Reconnecttheacpoweradapter,thenturnonthecomputer.
Chapter10.Troubleshootingcomputerproblems139
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