Lenovo ThinkPad E455 - Power Problems

•Problem:YourcomputershutsdownbeforethebatterystatusiconintheWindowsnotificationarea
showsempty,oryourcomputeroperatesafterthebatterystatusiconintheWindowsnotificationarea
showsempty.
Solution:Dischargeandrechargethebattery.
•Problem:Theoperatingtimeforafullychargedbatteryisshort.
Solution:Dischargeandrechargethebattery.Ifyourbatteryoperatingtimeisstillshort,useanewbattery.
•Problem:Thecomputerdoesnotoperatewithafullychargedbattery.
Solution:Thesurgeprotectorinthebatterymightbeactive.Turnoffthecomputerforoneminutetoreset
theprotector;thenturnonthecomputeragain.
•Problem:Thebatterycannotbecharged.
Solution:Youcannotchargethebatterywhenitistoohot.Ifthebatteryfeelshot,removeitfromthe
computerandallowittocooltoroomtemperature.Afteritcools,reinstallitandrechargethebattery.Ifit
stillcannotbecharged,haveitserviced.
Anacpoweradapterproblem
Problem:Theacpoweradapterisconnectedtothecomputerandtheworkingelectricaloutlet,butthe
poweradapter(powerplug)iconisnotdisplayedintheWindowsnotificationarea.
Solution:Dothefollowing:
1.Makesurethattheconnectionoftheacpoweradapteriscorrect.Forinstructionsonconnectingtheac
poweradapter,seeSafety,Warranty,andSetupGuidethatcomeswithyourcomputer.
2.Iftheconnectionoftheacpoweradapteriscorrect,turnoffthecomputer,thendisconnecttheacpower
adapterandremovethemainbattery.
3.Reinstallthebatteryandreconnecttheacpoweradapter,thenturnonthecomputer.
4.IfthepoweradaptericonstillisnotdisplayedintheWindowsnotificationareaandthesystem-status
indicatordoesnotblinkthreetimeswhenanacpowersourceisconnected,havetheacpoweradapter
andyourcomputerserviced.
Note:IfyouareusingtheWindows7operatingsystem,todisplaythepoweradapter(powerplug)icon,click
ShowhiddeniconsintheWindowsnotificationarea.
Powerproblems
Printtheseinstructionsnowandkeepitwithyourcomputerforreferencelater.
Ifyourcomputerisgettingnopoweratall,checkthefollowingitems:
1.Verifythepowerbutton.Thepowerbuttonislitwheneverthecomputerison.
2.Checkallpowerconnections.Removeanypowerstripsandsurgeprotectorstoconnecttheacpower
adapterdirectlytotheacpoweroutlet.
3.Inspecttheacpoweradapter.Checkforanyphysicaldamage,andmakesurethatthepowercableis
firmlyattachedtotheadapterbrickandthecomputer.
4.Verifytheacpowersourceisworkingbyattachinganotherdevicetotheoutlet.
5.Removealldevicesandthentestforsystempowerwithminimaldevicesattached.
a.Disconnecttheacpoweradapterandallcablesfromthecomputer.
b.Closethecomputerdisplayandturnthecomputerover.
c.Removethebottomcoveranddisconnectthebatterycable.Referto“Replacingthestorage
drive”onpage110
.
Chapter8.Troubleshootingcomputerproblems93