User Manual

Fingerprintreaderproblems
•Problem:Thesurfaceofthereaderisdirty,stained,orwet.
Solution:Gentlycleanthesurfaceofthereaderwithadry,soft,lint-freecloth.
•Problem:Thereaderoftenfailstoenrollorauthenticateyourfingerprint.
Solution:Ifthesurfaceofthereaderisdirty,stained,orwet,gentlycleanthesurfaceofthereader
withadry,soft,lint-freecloth.
Fortipsonhowtomaintainthefingerprintreader,see“Usingthefingerprintreader”onpage69.
Batteryandpowerproblems
Thistopiccontainsinstructionsontroubleshootingbatteryandpowerproblems.
Batteryproblems
•Problem:Thebuilt-inbatterycannotbefullychargedinthestandardchargetimewhenthecomputeris
poweredoff.
Solution:Thebuilt-inbatterymightbeover-discharged.Dothefollowing:
1.Turnoffthecomputer.
2.Connecttheacpoweradaptertothecomputerandletitcharge.
Ifaquickchargerisavailable,useittochargetheover-dischargedbuilt-inbattery.
Ifthebuilt-inbatterycannotbefullychargedin24hours,callLenovoCustomerServiceCentertohave
itserviced.
•Problem:Yourcomputershutsdownbeforethebattery-statusiconshowsempty,oryourcomputer
operatesafterthebattery-statusiconshowsempty.
Solution:Dischargeandrechargethebuilt-inbattery.
•Problem:Theoperatingtimeforafullychargedbuilt-inbatteryisshort.
Solution:Dischargeandrechargethebuilt-inbattery.Ifyourbatteryoperatingtimeisstillshort,call
LenovoCustomerServiceCentertohaveitserviced.
•Problem:Thecomputerdoesnotoperatewithafullychargedbuilt-inbattery.
Solution:Thesurgeprotectorinthebuilt-inbatterymightbeactive.Turnoffthecomputerforoneminute
toresettheprotector;thenturnonthecomputeragain.
•Problem:Thebuilt-inbatterycannotbecharged.
Solution:Youcannotchargethebatterywhenitistoohot.Turnoffthecomputerandallowittocoolto
roomtemperature.Afteritcools,rechargethebattery.Ifitstillcannotbecharged,callLenovoCustomer
ServiceCentertohaveitserviced.
Anacpoweradapterproblem
Problem:Theacpoweradapterisconnectedtothecomputerandtheworkingelectricaloutlet,butthe
poweradapter(powerplug)iconisnotdisplayedintheWindowsnotificationarea.Alsotheacpower
indicatordoesnotlightup.
Solution:Dothefollowing:
1.Makesurethattheconnectionoftheacpoweradapteriscorrect.Forinstructionsonconnectingtheac
poweradapter,seeSafety,Warranty,andSetupGuidethatcomeswithyourcomputer.
2.Iftheconnectionoftheacpoweradapteriscorrect,turnoffthecomputer,thendisconnecttheac
poweradapter.
3.Reconnecttheacpoweradapter,thenturnonthecomputer.
142UserGuide