Lenovo THINKPAD L520 - Fingerprint Reader Problems; Battery and Power

Fingerprintreaderproblems
•Problem:Thesurfaceofthereaderisdirty,stained,orwet.
Solution:Gentlycleanthesurfaceofthereaderwithadry,soft,lint-freecloth.
•Problem:Thereaderoftenfailstoenrollorauthenticateyourngerprint.
Solution:Ifthesurfaceofthereaderisdirty,stained,orwet,gentlycleanthesurfaceofthereader
withadry,soft,lint-freecloth.
Ifyourngerhasanyofthefollowingconditions,youmaynotbeabletoregisterorauthenticateit:
–Yourngeriswrinkled.
–Yourngerisrough,dry,orinjured.
–Yourngerisverydry.
–Yourngerisstainedwithdirt,mud,oroil.
–Thesurfaceofyourngerisverydifferentfromwhenyouenrolledyourngerprint.
–Yourngeriswet.
–Angerisusedthathasnotbeenenrolled.
Toimprovethesituation,trythefollowing:
–Cleanorwipeyourhandstoremoveanyexcessdirtormoisturefromthengers.
–Enrollanduseadifferentngerforauthentication.
–Ifyourhandsaretoodry,applylotiontothem.
Batteryandpower
Thissectiontellswhattodoifyouhaveabatteryandpowerproblem.
Batteryproblems
•Problem:Thebatterypackcannotbefullychargedbythepower-offmethodinthestandardcharge
timeforyourcomputer.
Solution:Thebatterypackmightbeover-discharged.Dothefollowing:
1.Turnoffthecomputer.
2.Makesurethattheover-dischargedbatterypackisinthecomputer.
3.Connecttheacpoweradaptertothecomputerandletitcharge.
IftheoptionalQuickChargerisavailable,useittochargetheover-dischargedbatterypack.
Ifthebatterypackcannotbefullychargedin24hours,useanewbatterypack.
•Problem:Yourcomputershutsdownbeforethebatterystatusindicatorshowsempty.
OR
Yourcomputeroperatesafterthebatterystatusindicatorshowsempty.
Solution:Dischargeandrechargethebatterypack.
•Problem:Theoperatingtimeforafullychargedbatterypackisshort.
Solution:Dischargeandrechargethebatterypack.Ifyourbattery'soperatingtimeisstillshort,usea
newbatterypack.
•Problem:Thecomputerdoesnotoperatewithafullychargedbatterypack.
Solution:Thesurgeprotectorinthebatterypackmightbeactive.Turnoffthecomputerforoneminuteto
resettheprotector,thenturnonthecomputeragain.
178UserGuide