Lenovo E545 Guide de l'utilisateur télécharger pdf (Page 141)

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

producesound.

Solution:Oncetheheadphoneisattached,thestreamingisautomaticallyredirectedtoit.Ifyouwantto

listentosoundfromthespeakersagain,besuretosetthosespeakersasthedefaultdevice.Fordetails,

refertothehelpinformationsystemforRealtekHDAudio.

Batteryandpowerproblems

Thistopiccontainsinstructionsontroubleshootingbatteryandpowerproblems.

Batteryproblems

•Problem:Thebatterypackcannotbefullychargedinthestandardchargetimewhenthecomputeris

poweredoff.

Solution:Thebatterypackmightbeover-discharged.Dothefollowing:

1.Turnoffthecomputer.

2.Makesurethattheover-dischargedbatterypackisinthecomputer.

3.Connecttheacpoweradaptertothecomputerandletitcharge.

Ifaquickchargerisavailable,useittochargetheover-dischargedbatterypack.

Ifthebatterypackcannotbefullychargedin24hours,useanewbatterypack.

•Problem:Yourcomputershutsdownbeforethebatterystatusindicatorshowsempty,oryourcomputer

operatesafterthebatterystatusindicatorshowsempty.

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Lenovo E545 Guide de l'utilisateur Page 141