Manual

Solution:Itisnormalforthesliderstochangepositionwhencertainsoundprogramsareused.The
programsareawareofthesettingsintheVolumeMixerwindowandareallowedtochangethesettings
themselves.AnexampleistheWindowsMediaPlayer.Usuallytheprogramhasslidersavailableto
controlthesoundfromwithintheprogram.
•Problem:Thebalanceslidercannotcompletelymuteonechannel.
Solution:Thecontrolisdesignedtocompensateforminordifferencesinbalanceanddoesnot
completelymuteeitherchannel.
•Problem:ThesoundcannotbeturnedoffcompletelyevenifyousettheMastervolumecontrolat
minimum.
Solution:YoustillcanhearsomesoundeventhoughyouhavesettheVolumeMixercontrolatminimum.
Toturnoffthesoundcompletely,pressthesystem-statusbutton.
•Problem:Whenyouconnectaheadphonetoyourcomputerwhileplayingsound,aspeakerdoesnot
producesound.
Solution:Oncetheheadphoneisattached,thestreamingisautomaticallyredirectedtoit.Ifyouwantto
listentosoundfromthespeakersagain,besuretosetthosespeakersasthedefaultdevice.Formore
information,seethehelpinformationsystemforRealtekHDAudio.
Fingerprintreaderproblems
•Problem:Thesurfaceofthereaderisdirty,stained,orwet.
Solution:Gentlycleanthesurfaceofthereaderwithadry,soft,lint-freecloth.
•Problem:Thereaderoftenfailstoenrollorauthenticateyourfingerprint.
Solution:Ifthesurfaceofthereaderisdirty,stained,orwet,gentlycleanthesurfaceofthereader
withadry,soft,lint-freecloth.
Fortipsonhowtomaintainthefingerprintreader,see“Usingthefingerprintreader”onpage61.
Batteryandpowerproblems
Thistopiccontainsinstructionsontroubleshootingbatteryandpowerproblems.
Batteryproblems
•Problem:Thebatterycannotbefullychargedinthestandardchargetimewhenthecomputerispowered
off.
Solution:Thebatterymightbeover-discharged.Dothefollowing:
1.Turnoffthecomputer.
2.Connecttheacpoweradaptertothecomputerandletitcharge.
Ifaquickchargerisavailable,useittochargetheover-dischargedbatteries.
Ifthebatterycannotbefullychargedin24hours,callLenovoCustomerServiceCentertohaveitserviced.
•Problem:Yourcomputershutsdownbeforethebattery-statusiconshowsempty,oryourcomputer
operatesafterthebattery-statusiconshowsempty.
Solution:Dischargeandrechargethebattery.
•Problem:Theoperatingtimeforfullychargedbatteryisshort.
Solution:Dischargeandrechargethebattery.Ifyourbatteryoperatingtimeisstillshort,callLenovo
CustomerServiceCentertohaveitserviced.
•Problem:Thecomputerdoesnotoperatewithfullychargedbattery.
Solution:Thesurgeprotectorinthebatterymightbeactive.Turnoffthecomputerforoneminutetoreset
theprotector;thenturnonthecomputeragain.
Chapter10.Troubleshootingcomputerproblems123