•Problem:Thebalanceslidercannotcompletelymuteonechannel.
Solution:Thecontrolisdesignedtocompensateforminordifferencesinbalanceanddoesnot
completelymuteeitherchannel.
•Problem:ThereisnovolumecontrolforMIDIsoundontheVolumeMixerwindow.
Solution:Usethehardwarevolumecontrol.
•Problem:ThesoundcannotbeturnedoffcompletelyevenifyousettheMastervolumecontrolat
minimum.
Solution:YoucanstillhearsomesoundeventhoughyouhavesettheMastervolumecontrolatminimum.
Toturnoffthesoundcompletely,gototheMastervolumecontrolandselectMutespeakers.
•Problem:Whenyouconnectaheadphonetoyourcomputerwhileplayingsound,aspeakerdoesnot
producesoundintheMULTI-STREAMmodeatRealtekHDAudioManager.
Solution:Oncetheheadphoneisattached,thestreamingisautomaticallyredirectedtoit.Ifyouwant
tolistentosoundfromthespeakersagain,besuretosetthosespeakersasthedefaultdevice.The
procedureisasfollows:
1.ClickStart➙ControlPanel➙AllControlPanelItems
2.ClicktheRealtekHDAudioManagericon.TheRealtekHDAudioManagerwindowopens.
3.Lookattheplaybackdevices.Ifyouhaveattachedaheadphone,theheadphonewillbeautomatically
setasthedefaultdevice,andtheiconforthatheadphonewillbechecked.
4.Tosetadifferentdeviceasthedefault,justdouble-clicktheiconforthosespeakers.Thaticon
willnowhaveacheckmark.
5.PlayanysoundbyuseofamusicprogramsuchasWindowsMediaPlayer.Ensurethatsound
comesfromthespeakers.
Fordetails,refertothehelpinformationsystemforRealtekHDAudioManager.
Fingerprintreaderproblems
•Problem:Thesurfaceofthereaderisdirty,stained,orwet.
Solution:Gentlycleanthesurfaceofthereaderwithadry,soft,lint-freecloth.
•Problem:Thereaderoftenfailstoenrollorauthenticateyourngerprint.
Solution:Ifthesurfaceofthereaderisdirty,stained,orwet,gentlycleanthesurfaceofthereader
withadry,soft,lint-freecloth.
Fortipsonhowtomaintainthengerprintreader,referto“Maintainingthengerprintreader”onpage55.
Batteryandpowerproblems
Thissectiontellswhattodoifyouhavebatteryandpowerproblems.
Batteryproblems
•Problem:Thebatterypackcannotbefullychargedinthestandardchargetimewhenthecomputeris
poweredoff.
Solution:Thebatterypackmightbeover-discharged.Dothefollowing:
1.Turnoffthecomputer.
2.Ensurethattheover-dischargedbatterypackisinthecomputer.
3.Connecttheacpoweradaptertothecomputerandletitcharge.
Ifaquickchargerisavailable,useittochargetheover-dischargedbatterypack.
Chapter10.Troubleshootingcomputerproblems139