Lenovo thinkpad t540p, 20be009art [153/182] Fingerprint reader problems

5.Makesurethatthefollowingdeviceisenabledandconguredcorrectly.

•Problem:Recordingsmadeusingthemicrophoneinputarenotloudenough.

Solution:MakesurethattheMicrophoneBoostfunctionisturnedonandsetbydoingthefollowing:

1.OpenControlPanel.

2.ClickHardwareandSound.

3.ClickSound.

4.ClicktheRecordingtabintheSoundwindow.

5.SelectMicrophone,andclickthePropertiesbutton.

6.ClicktheLevelstab,andmovetheMicrophoneBoostsliderupwards.

7.ClickOK.

Note:Fordetailsaboutcontrollingvolume,refertoyourWindowsonlinehelp.

•Problem:Avolumeorbalanceslidercannotbemoved.

Solution:Theslidermightbegrayedout.Thismeansthatitspositionisxedbythehardwareand

cannotbechanged.

•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:Thereaderoftenfailstoenrollorauthenticateyourngerprint.

Solution:Ifthesurfaceofthereaderisdirty,stained,orwet,gentlycleanthesurfaceofthereader

withadry,soft,lint-freecloth.

Chapter10.Troubleshootingcomputerproblems137