ThinkPad Yoga14 - Battery and Power Problems

•Problem:Whenyouconnectaheadphonetoyourcomputerwhileplayingsound,aspeakerdoesnot
producesoundintheMULTI-STREAMmodeatConexantHDAudioManager.
Solution:Oncetheheadphoneisattached,thestreamingisautomaticallyredirectedtoit.Ifyouwant
tolistentosoundfromthespeakersagain,besuretosetthosespeakersasthedefaultdevice.The
procedureisasfollows:
1.OpenControlPanel.ClickHardwareandSound.
2.ClicktheConexantHDAudioManagericon.TheConexantHDAudioManagerwindowopens.
3.Lookatthetabsofplaybackdevices.Ifyouhaveattachedaheadphone,theheadphonewillbe
automaticallysetasthedefaultdevice,andtheheadphonetabiconwillbechecked.
4.Tosetadifferentdeviceasthedefault,clickthespeakertab.ClicktheSetDefaultDevicedrop
downlistbox.SelectSetDefaultDevice.Thatspeakertabiconwillnowhaveacheckmark.
5.PlayanysoundbyuseofamusicprogramsuchasWindowsMediaPlayer.Ensurethatsound
comesfromthespeakers.
Fordetails,refertothehelpinformationsystemforConexantHDAudioManager.
Batteryandpowerproblems
Thistopiccontainsinstructionsontroubleshootingbatteryandpowerproblems.
Batteryproblems
•Problem:Thebuilt-inbatterycannotbefullychargedinthestandardchargetimewhenthecomputeris
poweredoff.
Solution:Thebatterymightbeover-discharged.Dothefollowing:
1.Turnoffthecomputer.
2.Connecttheacpoweradaptertothecomputerandletitcharge.
Ifaquickchargerisavailable,useittochargetheover-dischargedbuilt-inbattery.
Ifthebuilt-inbatterycannotbefullychargedin24hours,callLenovoCustomerServiceCentertohave
itserviced.
•Problem:Yourcomputershutsdownbeforethebattery-statusiconshowsthatthebatteryisempty,or
thecomputeroperatesafterthebattery-statusiconshowsthatthebatteryisempty.
Solution:Dischargeandrechargethebuilt-inbattery.
•Problem:Theoperatingtimeforafullychargedbuilt-inbatteryisshort.
Solution:Dischargeandrechargethebuilt-inbattery.Ifyourbatteryoperatingtimeisstillshort,call
LenovoCustomerServiceCentertohaveitserviced.
•Problem:Thecomputerdoesnotoperatewithafullychargedbuilt-inbattery.
Solution:Thesurgeprotectorinthebuilt-inbatterymightbeactive.Turnoffthecomputerforoneminute
toresettheprotector;thenturnonthecomputeragain.
•Problem:Thebuilt-inbatterycannotbecharged.
Solution:Youcannotchargethebatterywhenitistoohot.Turnoffthecomputerandallowittocoolto
roomtemperature.Afteritcools,rechargethebattery.Ifitstillcannotbecharged,callLenovoCustomer
Servicetohaveitserviced.
94UserGuide