•Problem:Thecomputerdoesnotoperatewithafullychargedbatterypack.
Solution:Thesurgeprotectorinthebatt erypackmightbeactive.Turnoffthecomputerforoneminuteto
resettheprotector;thenturnonthecomputeragain.
•Problem:Thebatterypackcannotbecharged.
Solution:Youcannotchargethebatterywhenitistoohot.Ifthebatteryfeelshot,removeitfromthe
computerandallowittocooltoroomtemperature.Afteritcools,reinstallitandrechargethebattery.Ifit
stillcannotbecharged,haveitserviced.
Thissystemsupportsonlybatteriesspeciallydesignedforthisspecicsystemandmanufactured
byLenovooranauthorizedbuilder.Thesystemdoesnotsupportunauthorizedbatteriesorbatteries
designedforothersystems.Ifanunauthoriz edbatteryorabatterydesignedforanothersystemis
installed,thesystemwillnotcharge.
Attention:Lenovohasnoresponsibilityfortheperformanceorsafetyofunauthorizedbatteries,and
providesnowarrantiesforfailuresordamagearisingoutoftheiruse.
ACpoweradapterproblemsProblem:Theacpoweradapterisconnectedtothecomputerandtheworkingelectricaloutlet,butthe
poweradapter(powerplug)iconisnotdisplayedonthetaskbar.Alsotheacpowerindicatordoesnot
lightup.
Solution:Dothefollowing:
1.Mak esurethattheconnectionoftheacpoweradapteriscorrect.Forinstructionsonconnectingtheac
poweradapter,seeSafety,Warranty,andSetupGuidethatcomeswithyourcomputer.
2.Iftheconnectionoftheacpoweradapteriscorrect,turnoffthecomputer,thendisconnecttheacpower
adapterandremovethemainbattery.
3.Reinstallthebatteryandreconnecttheacpoweradapter ,thenturnonthecomputer.
4.IfthepoweradaptericonstillisnotdisplayedintheWindowsnoticationareaandtheacpower
indicatordoesnotlightup,havetheacpoweradapterandyourcomputerserviced.
Note:IfyouareusingtheWindows7operatingsystem,todisplaythepoweradapter(powerplug)icon,
clickthetriangularicononthetaskbar.
PowerproblemsPrinttheseinstructionsnowandkeepitwithyourcomputerforreferencelater.
Ifyourcomputerisgettingnopoweratall,checkthefollowingitems:
1.V erifythepowerbutton.Referto“System-statusindicators”onpage8.Thepowerbuttonisilluminated
wheneverthecomputerison.
2.Checkallpowerconnections.Removeanypowerstripsandsur geprotectorstoconnecttheacpower
adapterdirectlytotheacpoweroutlet.
3.Inspecttheacpoweradapter .Checkforanyphysicaldamage,andmakesurethatthepowercableis
rmlyattachedtotheadapterbrickandthecomputer .
4.V erifytheacpowersourceisworkingbyattachinganotherdevicetotheoutlet.
5.RemovethecomputerfromaThinkPadPortReplicatorSeries3,ThinkPadMiniDockSeries3,ThinkPad
MiniDockPlusSeries3,ortheThinkPadMiniDockPlusSeries3(170W).Referto“Detachinga
ThinkPadportreplicatorordockingstation”onpage108.
6.Removealldevicesandthentestforsystempowerwithminimaldevicesattached.
a.Disconnecttheacpoweradapterandallcablesfromthecomputer.
b.Closethecomputerdisplay,andturnthecomputerover.
150UserGuide