User guide

Fortipsonhowtomaintainthengerprintreader,refertoMaintainingthengerprintreader.
Batteryandpowerproblems
Thistopiccontainsinstructionsontroubleshootingbatteryandpowerproblems.
Batteryproblems
•Problem:Thebatterypackcannotbefullychargedinthestandardchargetimewhenthecomputeris
poweredoff.
Solution:Thebatterypackmightbeover-discharged.Dothefollowing:
1.Turnoffthecomputer.
2.Makesurethattheover-dischargedbatterypackisinthecomputer.
3.Connecttheacpoweradaptertothecomputerandletitcharge.
Ifaquickchargerisavailable,useittochargetheover-dischargedbatterypack.
Ifthebatterypackcannotbefullychargedin24hours,useanewbatterypack.
•Problem:Thecomputershutsdownbeforethebatterystatusiconshowsthatthebatteryisempty,orthe
computeroperatesafterthebatterystatusiconshowsthatthebatteryisempty.
Solution:Dischargeandrechargethebatterypack.
•Problem:Theoperatingtimeforafullychargedbatterypackisshort.
Solution:Dischargeandrechargethebatterypack.Ifyourbatteryoperatingtimeisstillshort,usea
newbatterypack.
•Problem:Thecomputerdoesnotoperatewithafullychargedbatterypack.
Solution:Thesurgeprotectorinthebatterypackmightbeactive.Turnoffthecomputerforoneminuteto
resettheprotector;thenturnonthecomputeragain.
•Problem:Thebatterypackcannotbecharged.
Solution:Youcannotchargethebatterywhenitistoohot.Ifthebatteryfeelshot,removeitfromthe
computerandallowittocooltoroomtemperature.Afteritcools,reinstallitandrechargethebattery.Ifit
stillcannotbecharged,haveitserviced.
Anacpoweradapterproblem
Problem:Theacpoweradapterisconnectedtothecomputerandtheworkingelectricaloutlet,butthe
poweradapter(powerplug)iconisnotdisplayedintheWindowsnoticationarea.Alsotheacpower
indicatordoesnotlightup.
Solution:Dothefollowing:
1.Makesurethattheconnectionoftheacpoweradapteriscorrect.Forinstructionsonconnectingtheac
poweradapter,seeSafety,Warranty,andSetupGuidethatcomeswithyourcomputer.
2.Iftheconnectionoftheacpoweradapteriscorrect,turnoffthecomputer,thendisconnecttheacpower
adapterandremovethemainbattery.
3.Reinstallthebatteryandreconnecttheacpoweradapter,thenturnonthecomputer.
4.IfthepoweradaptericonstillisnotdisplayedintheWindowsnoticationarea,havetheacpower
adapterandyourcomputerserviced.
Powerproblems
Printtheseinstructionsnowandkeepitwithyourcomputerforreferencelater.
138UserGuide