Lenovo E540 Betriebsanweisung PDF herunterladen (Seite 160)

Fingerprintreaderproblems

•Problem:Thesurfaceofthereaderisdirty,stained,orwet.

Solution:Gentlycleanthesurfaceofthereaderwithadry,soft,lint-freecloth.

•Problem:Thereaderoftenfailstoenrollorauthenticateyourﬁngerprint.

Solution:Ifthesurfaceofthereaderisdirty,stained,orwet,gentlycleanthesurfaceofthereader

withadry,soft,lint-freecloth.

Fortipsonhowtomaintaintheﬁngerprintreader,refertoMaintainingtheﬁngerprintreader.

Batteryandpowerproblems

Thistopiccontainsinstructionsontroubleshootingbatteryandpowerproblems.

Batteryproblems

•Problem:Thebatterypackcannotbefullychargedinthestandardchargetimewhenthecomputeris

poweredoff.

Solution:Thebatterypackmightbeover-discharged.Dothefollowing:

1.Turnoffthecomputer.

2.Makesurethattheover-dischargedbatterypackisinthecomputer.

3.Connecttheacpoweradaptertothecomputerandletitcharge.

Ifaquickchargerisavailable,useittochargetheover-dischargedbatterypack.

Ifthebatterypackcannotbefullychargedin24hours,useanewbatterypack.

•Problem:YourcomputershutsdownbeforethebatterystatusiconintheWindowsnotiﬁcationarea

showsempty,oryourcomputeroperatesafterthebatterystatusiconintheWindowsnotiﬁcationarea

showsempty.

Solution:Dischargeandrechargethebatterypack.

•Problem:Theoperatingtimeforafullychargedbatterypackisshort.

Solution:Dischargeandrechargethebatterypack.Ifyourbatteryoperatingtimeisstillshort,usea

newbatterypack.

•Problem:Thecomputerdoesnotoperatewithafullychargedbatterypack.

Solution:Thesurgeprotectorinthebatterypackmightbeactive.Turnoffthecomputerforoneminuteto

resettheprotector;thenturnonthecomputeragain.

•Problem:Thebatterypackcannotbecharged.

Solution:Youcannotchargethebatterywhenitistoohot.Ifthebatteryfeelshot,removeitfromthe

computerandallowittocooltoroomtemperature.Afteritcools,reinstallitandrechargethebattery.Ifit

stillcannotbecharged,haveitserviced.

Anacpoweradapterproblem

Problem:Theacpoweradapterisconnectedtothecomputerandtheworkingelectricaloutlet,butthe

poweradapter(powerplug)iconisnotdisplayedintheWindowsnotiﬁcationarea.

Solution:Dothefollowing:

1.Makesurethattheconnectionoftheacpoweradapteriscorrect.Forinstructionsonconnectingtheac

poweradapter,seeSafety,Warranty,andSetupGuidethatcomeswithyourcomputer.

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Lenovo E540 Betriebsanweisung Seite 160