User guide

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.
Ifyourcomputerdoesnotrunonbatterypower,checkthefollowingitems:
1.Ifthebatteryrunsoutofpower,attachacpoweradaptertorechargethebattery.
2.Ifthebatteryischargedbutthecomputerdoesnotrun,callLenovoCustomerServiceCentertohave
yourcomputerserviced.
90UserGuide