Lenovo Yoga 11e User's Guide Page 106

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3.Lookattheplaybackdevices.Ifyouhaveattachedaheadphone,theheadphonewillbeautomatically
setasthedefaultdevice,andtheiconforthatheadphonewillbechecked.
4.Tosetadifferentdeviceasthedefault,double-clicktheiconforthosespeakers.Thaticonwill
nowhaveacheckmark.
5.PlayanysoundbyuseofamusicprogramsuchasWindowsMediaPlayer.Makesurethatsound
comesfromthespeakers.
Fordetails,refertothehelpinformationsystemforSmartAudio.
Batteryandpowerproblems
Thistopiccontainsinstructionsontroubleshootingbatteryandpowerproblems.
Batteryproblems
Problem:Thebuilt-inbatterycannotbefullychargedinthestandardchargetimewhenthecomputeris
poweredoff.
Solution:Thebatterymightbeover-discharged.Dothefollowing:
1.Turnoffthecomputer.
2.Connecttheacpoweradaptertothecomputerandletitcharge.
Ifthebuilt-inbatterycannotbefullychargedin24hours,haveyourcomputerserviced.
Problem:Yourcomputershutsdownbeforethebattery-statusindicatorshowsempty,oryourcomputer
operatesafterthebattery-statusindicatorshowsempty.
Solution:Dischargeandrechargethebuilt-inbattery.
Problem:Theoperatingtimeforafullychargedbuilt-inbatteryisshort.
Solution:Dischargeandrechargethebuilt-inbattery.Ifyourbatteryoperatingtimeisstillshort,have
yourcomputerserviced.
Problem:Thecomputerdoesnotoperatewithafullychargedbuilt-inbattery.
Solution:Thesurgeprotectorinthebuilt-inbatterymightbeactive.Turnoffthecomputerforoneminute
toresettheprotector;thenturnonthecomputeragain.
Problem:Thebuilt-inbatterycannotbecharged.
Youcannotchargethebatterywhenitistoohot.Turnoffthecomputerandallowittocooltoroom
temperature.Afterthecomputercools,rechargethebattery.Ifthebatterystillcannotbecharged,
haveyourcomputerserviced.
Powerproblems
Printtheseinstructionsnowandkeepitwithyourcomputerforreferencelater.
Ifyourcomputerisgettingnopoweratall,checkthefollowingitems:
1.Checkallpowerconnections.Removeanypowerstripsandsurgeprotectorstoconnecttheacpower
adapterdirectlytotheacpoweroutlet.
2.Inspecttheacpoweradapter.Checkforanyphysicaldamage,andmakesurethatthepowercableis
firmlyattachedtotheadapterbrickandthecomputer.
3.Verifytheacpowersourceisworkingbyattachinganotherdevicetotheoutlet.
4.Removealldevicesandthentestforsystempowerwithminimaldevicesattached.
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