Lenovo ThinkPad Edge E145 - Battery and Power Problems Troubleshooting

•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.
Solution:Dischargeandrechargethebatterypack.
•Problem:Theoperatingtimeforafullychargedbatterypackisshort.
Solution:Dischargeandrechargethebatterypack.Ifyourbatteryoperatingtimeisstillshort,usea
newbatterypack.
•Problem:Thecomputerdoesnotoperatewithafullychargedbatterypack.
Solution:Thesurgeprotectorinthebatterypackmightbeactive.Turnoffthecomputerforoneminuteto
resettheprotector;thenturnonthecomputeragain.
Chapter9.Troubleshootingcomputerproblems113