Lenovo ThinkPad Edge E431 - Page 153

3.ClickDeviceManager.Ifyouarepromptedforanadministratorpasswordorconrmation,typethe
passwordorprovideconrmation.
4.Double-clickSound,videoandgamecontrollers.
5.Makesurethatthefollowingdeviceisenabledandconguredcorrectly:
–ConexantCX20671SmartAudioHD
•Problem:Recordingsmadeusingthemicrophoneinputarenotloudenough.
Solution:MakesurethattheMicrophoneBoostfunctionisturnedonandsetbydoingthefollowing:
1.GotoControlPanel.
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:Thevolumeslidersdonotstayinplacewhensomeaudioprogramsareused.
Solution:Itisnormalforthesliderstochangepositionwhencertainsoundprogramsareused.The
programsareawareofthesettingsintheVolumeMixerwindowandareallowedtochangethesettings
themselves.AnexampleistheWindowsMediaPlayer.Usuallytheprogramhasslidersavailableto
controlthesoundfromwithintheprogram.
•Problem:Thebalanceslidercannotcompletelymuteonechannel.
Solution:Thecontrolisdesignedtocompensateforminordifferencesinbalanceanddoesnot
completelymuteeitherchannel.
•Problem:ThereisnovolumecontrolforMIDIsoundintheVolumeMixerwindow.
Solution:Usethehardwarevolumecontrol.Thisisbecausethebuilt-insynthesizersoftwaredoes
notsupportthecontrol.
•Problem:ThesoundcannotbeturnedoffcompletelyevenifyousettheVolumeMixeratminimum.
Solution:YoustillcanhearsomesoundeventhoughyouhavesettheVolumeMixeratminimum.Toturn
offthesoundcompletely,gototheVolumeMixerbyclickingthespeakericoninthetaskbar,thenclick
Mixer.ClicktheMutespeakericon.
•Problem:Whenyouconnectaheadphonetoyourcomputerwhileplayingsound,aspeakerdoesnot
producesoundintheMULTI-STREAMmodeatSmartAudio.
Solution:Oncetheheadphoneisattached,thestreamingisautomaticallyredirectedtoit.Ifyouwant
tolistentosoundfromthespeakersagain,besuretosetthosespeakersasthedefaultdevice.The
procedureisasfollows:
1.GotoControlPanelandclickHardwareandsound.
2.ClicktheSmartAudioicon.TheSmartAudiowindowopens.
Chapter9.Troubleshootingcomputerproblems137