Lenovo thinkpad 13 - Battery and Power Problems

Fortipsonhowtomaintainthefingerprintreader,see“Usingthefingerprintreader”onpage49.
Batteryandpowerproblems
Thistopiccontainsinstructionsontroubleshootingbatteriesandpowerproblems.
Batteryproblems
•Problem:Thebatteriescannotbefullychargedinthestandardchargetimewhenthecomputeris
poweredoff.
Solution:Thebatteriesmightbeover-discharged.Dothefollowing:
1.Turnoffthecomputer.
2.Connecttheacpoweradaptertothecomputerandletitcharge.
Ifaquickchargerisavailable,useittochargetheover-dischargedbatteries.
Ifthebatteriescannotbefullychargedin24hours,callLenovoCustomerServiceCentertohave
itserviced.
•Problem:Yourcomputershutsdownbeforethebattery-statusiconshowsempty,oryourcomputer
operatesafterthebattery-statusiconshowsempty.
Solution:Dischargeandrechargethebatteries.
•Problem:Theoperatingtimeforfullychargedbatteriesisshort.
Solution:Dischargeandrechargethebatteries.Ifyourbatteryoperatingtimeisstillshort,callLenovo
CustomerServiceCentertohaveitserviced.
•Problem:Thecomputerdoesnotoperatewithfullychargedbatteries.
Solution:Thesurgeprotectorinthebatteriesmightbeactive.Turnoffthecomputerforoneminuteto
resettheprotector;thenturnonthecomputeragain.
•Problem:Thebatteriescannotbecharged.
Solution:Youcannotchargethebatterieswhentheyaretoohot.Turnoffthecomputerandallowthemto
cooltoroomtemperature.Aftertheycool,rechargethebatteries.Iftheystillcannotbecharged,call
LenovoCustomerServiceCentertohavethemserviced.
Anacpoweradapterproblem
Problem:Theacpoweradapterisconnectedtothecomputerandtheworkingelectricaloutlet,butthe
poweradapter(powerplug)iconisnotdisplayedintheWindowsnotificationarea.
Solution:Dothefollowing:
1.Makesurethattheconnectionoftheacpoweradapteriscorrect.Forinstructionsonconnectingtheac
poweradapter,seeSafety,Warranty,andSetupGuidethatcomeswithyourcomputer.
2.Iftheconnectionoftheacpoweradapteriscorrect,turnoffthecomputer,thendisconnecttheac
poweradapter.
3.Reconnecttheacpoweradapter,thenturnonthecomputer.
4.IfthepoweradaptericonstillisnotdisplayedintheWindowsnotificationarea,havetheacpower
adapterandyourcomputerserviced.
Powerproblems
Printtheseinstructionsnowandkeepitwithyourcomputerforreferencelater.
Ifyourcomputerisgettingnopoweratall,checkthefollowingitems:
1.Verifythepowerbutton.Referto“Statusindicators”onpage6.Thepowerbuttonisilluminated
wheneverthecomputerison.
Chapter8.Troubleshootingcomputerproblems89