ThinkPad E470 - Fingerprint Reader Problems; Battery Problems; Ac Power Adapter Problem

9.Playanysoundthroughthemusicprogram.Ensurethatsoundcomesfromtheheadphoneattached
directlytothesystem.Formoreinformation,seethehelpinformationsystemoftheSmartAudio
program.
Note:TheVolumeMixerwindowofSmartAudiodisplaysallaudiodevicesdetectedinthesystem,
suchasspeakersforaplaybackdevice,orabuilt-inmicrophoneforarecordingdevice.Acheck
markbesidetheaudiodeviceshowsthatthedevicehasbeenselected.
Fingerprintreaderproblems
•Problem:Thesurfaceofthereaderisdirty,stained,orwet.
Solution:Gentlycleanthesurfaceofthereaderwithadry,soft,lint-freecloth.
•Problem:Thereaderoftenfailstoenrollorauthenticateyourfingerprint.
Solution:Ifthesurfaceofthereaderisdirty,stained,orwet,gentlycleanthesurfaceofthereader
withadry,soft,lint-freecloth.
Fortipsonhowtomaintainthefingerprintreader,see“Usingthefingerprintreader”onpage40.
Batteryproblems
•Problem:Thebatterycannotbefullychargedinthestandardchargetimewhenthecomputerispowered
off.
Solution:Thebatterymightbeover-discharged.Dothefollowing:
1.Turnoffthecomputer.
2.Ensurethattheover-dischargedbatteryisinthecomputer.
3.Connecttheacpoweradaptertothecomputerandletitcharge.
Ifaquickchargerisavailable,useittochargetheover-dischargedbattery.
Ifthebatterycannotbefullychargedin24hours,useanewbattery.
•Problem:Thecomputershutsdownbeforethebatterystatusiconshowsthatthebatteryisempty.
Solution:Dischargeandrechargethebattery.
•Problem:Thecomputeroperatesafterthebatterystatusiconshowsthatthebatteryisempty.
Solution:Dischargeandrechargethebattery.
•Problem:Theoperatingtimeforafullychargedbatteryisshort.
Solution:Dischargeandrechargethebattery.Ifyourbatteryoperatingtimeisstillshort,useanewbattery.
•Problem:Thecomputerdoesnotoperatewithafullychargedbattery.
Solution:Thesurgeprotectorinthebatterymightbeactive.Turnoffthecomputerforoneminutetoreset
theprotector;thenturnonthecomputeragain.
•Problem:Thebatterycannotgetcharged.
Solution:Youcannotchargethebatterywhenitistoohot.Ifthebatteryfeelshot,removeitfromthe
computerandwaitforawhiletoletitcooltoroomtemperature.Afteritcools,reinstallitandrechargethe
battery.Ifitstillcannotbecharged,haveitserviced.
acpoweradapterproblem
Problem:Theacpoweradapterisconnectedtothecomputerandtheworkingelectricaloutlet,butthe
poweradapter(powerplug)iconisnotdisplayedintheWindowsnotificationarea.Theacpowerindicator
alsodoesnotlightup.
Solution:Dothefollowing:
68E470,E470c,andE475UserGuide