Thissystemsupportsonlybatteriesspeciallydesignedforthisspecicsystemandmanufactured
byLenovooranauthorizedbuilder.Thesystemdoesnotsupportunauthorizedbatteriesorbatteries
designedforothersystems.Ifanunauthorizedbatteryorabatterydesignedforanothersystemis
installed,thesystemwillnotcharge.
Attention:Lenovohasnoresponsibilityfortheperformanceorsafetyofunauthorizedbatteries,and
providesnowarrantiesforfailuresordamagearisingoutoftheiruse.
Anacpoweradapterproblem
Problem:Theacpoweradapterisconnectedtothecomputerandtheworkingelectricaloutlet,butthe
poweradapter(powerplug)iconisnotdisplayedintheWindowsnoticationarea.Alsotheacpower
indicatordoesnotlightup.
Solution:Dothefollowing:
1.Ensurethattheconnectionoftheacpoweradapteriscorrect.Forinstructionsonconnectingtheac
poweradapter,seeSafety,WarrantyandSetupGuidethatcomeswithyourcomputer.
2.Iftheconnectionoftheacpoweradapteriscorrect,turnoffthecomputer,thendisconnecttheacpower
adapterandremovethemainbattery.
3.Reinstallthebatteryandreconnecttheacpoweradapter ,thenturnonthecomputer.
4.IfthepoweradaptericonstillisnotdisplayedintheWindowsnoticationareaandtheacpower
indicatordoesnotlightup,havetheacpoweradapterandyourcomputerserviced.
Note:T odisplaythepoweradapter(powerplug)icon,clickShowhiddeniconsintheWindowsnotication
area.
Powerproblems
Printtheseinstructionsnowandkeepitwithyourcomputerforreferencelater.
Ifyourcomputerisgettingnopoweratall,checkthefollowingitems:
1.Verifythepowerbutton.Referto“System-statusindicators”onpage8.Thepowerbuttonisilluminated
wheneverthecomputerison.Itisnotilluminatedinsleeporhibernationmode.
2.Checkallpowerconnections.Removeanypowerstripsandsurgeprotectorstoconnecttheacpower
adapterdirectlytotheacpoweroutlet.
3.Inspecttheacpoweradapter .Checkforanyphysicaldamage,andensurethatthepowercableisrmly
attachedtotheadapterbrickandthecomputer.
4.Verifytheacpowersourceisworkingbyattachinganotherdevicetotheoutlet.
5.Removethecomputerfromthedockingstationorportreplicator.
6.Removealldevicesandthentestforsystempowerwithminimaldevicesattached.
a.Disconnecttheacpoweradapterandallcablesfromthecomputer.
b.Closethecomputerdisplay,andturnthecomputerover.
c.Removethebattery,memorymodule,MiniPCIExpressCards,opticaldrive,harddiskdriveor
solid-statedrive.SeeChapter6“Replacingdevices”onpage69.
d.Waitfor30seconds,andthenreinstalltheSO-DIMMandtheknowngoodbatteryortheacpower
adaptertotestthecomputerwithminimaldevicesattachedrst.
e.Reinstalleachdeviceoneatatimethatyouhaveremovedintheearliersteps.
Ifyourcomputerdoesnotrunonbatterypower,checkthefollowingitems:
1.Removeandreseatthebatterytoensurethatitisproperlyconnected.Referto“Replacingthebattery”
onpage69.
144UserGuide