Manual

•Problem:Thevolumeslidersdonotstayinplacewhensomeaudioapplicationsareused.
Solution:Itisnormalforthesliderstochangepositionwhencertainsoundapplicationsareused.The
applicationsareawareofthesettingsintheVolumeMixerwindowandareallowedtochangethesettings
themselves.AnexampleistheWindowsMediaPlayer.Usuallytheapplicationhasslidersavailableto
controlthesoundfromwithintheprogram.
•Problem:Thebalanceslidercannotcompletelymuteonechannel.
Solution:Thecontrolisdesignedtocompensateforminordifferencesinbalanceanddoesnot
completelymuteeitherchannel.
•Problem:ThereisnovolumecontrolforMIDIsoundintheVolumeMixerwindow.
Solution:Usethehardwarevolumecontrol.Thisisbecausethebuilt-insynthesizersoftwaredoes
notsupportthecontrol.
•Problem:ThesoundcannotbeturnedoffevenifyousettheMastervolumecontrolatminimum.
Solution:YoustillcanhearsomesoundeventhoughyouhavesettheMastervolumecontrolatminimum.
Toturnoffthesoundcompletely,gototheMastervolumecontrolandselectMutespeakers.
•Problem:Whenyouconnectheadphonestoyourcomputerwhileplayingsound,aspeakerdoesnot
producesound.
Solution:Oncetheheadphonesareattached,thestreamingisautomaticallyredirectedtoit.Ifyouwant
tolistentosoundfromthespeakersagain,besuretosetthosespeakersasthedefaultdevice.For
details,refertothehelpinformationsystemforRealtekHDAudioManager.
Fingerprintreaderproblems
•Problem:Thesurfaceofthereaderisdirty,stained,orwet.
Solution:Gentlycleanthesurfaceofthereaderwithadry,soft,lint-freecloth.
•Problem:Thereaderoftenfailstoenrollorauthenticateyourfingerprint.
Solution:Ifthesurfaceofthereaderisdirty,stained,orwet,gentlycleanthesurfaceofthereader
withadry,soft,lint-freecloth.
Fortipsonhowtomaintainthefingerprintreader,referto“Maintainingthefingerprintreader”onpage59.
Batteryandpowerproblems
Thistopiccontainsinstructionsontroubleshootingbatteryandpowerproblems.
Batteryproblems
•Problem:Thebatterycannotbefullychargedinthestandardchargetimewhenthecomputerispowered
off.
Solution:Thebatterymightbeover-discharged.Dothefollowing:
1.Turnoffthecomputer.
2.Makesurethattheover-dischargedbatteryisinthecomputer.
3.Connecttheacpoweradaptertothecomputerandletitcharge.
Ifaquickchargerisavailable,useittochargetheover-dischargedbattery.
Ifthebatterycannotbefullychargedin24hours,useanewbattery.
•Problem:Thecomputershutsdownbeforethebatterystatusiconshowsthatthebatteryisempty,orthe
computeroperatesafterthebatterystatusiconshowsthatthebatteryisempty.
102ThinkPadP70UserGuide