•Thesurfaceofthereaderiswet.
•Thereaderoftenfailstoenrollorauthenticateyourfingerprint.
Ifyourfingerhasanyofthefollowingconditions,youmightnotbeabletoregisterorauthenticateit:
•Yourfingeriswrinkled.
•Yourfingerisrough,dry,orinjured.
•Yourfingerisstainedwithdirt,mud,oroil.
•Thesurfaceofyourfingerisdifferentfromtheonewhenyouenrolledyourfingerprint.
•Yourfingeriswet.
•Yourfingerthatyouarecurrentlyusinghasnotbeenenrolledbefore.
Toimprovethesituation,trythefollowing:
•Cleanorwipeyourhandstoremoveanyexcessdirtormoisturefromthefingers.
•Enrollanduseadifferentfingerforauthentication.
•Ifyourhandsaredry,applylotiontothem.
Noticeondeletingdatafromyourstoragedevices
Someofthedatastoredonthestoragedevicesmightbesensitive.Handingyourcomputerovertosomeone
elsewithoutdeletingtheloadedsoftware,suchasoperatingsystemsandapplicationsoftware,mighteven
violatelicenseagreements.Besuretodeletedatastoredonthestoragedevicesbeforeyoudisposeof,sell,
orhandoveryourcomputer.
Youcanusethefollowingmethodstodeletedatafromthestoragedevices:
•MovethedatatotheRecycleBin,andthenemptytheRecycleBin.
•Deletethedata.
•Formatyourstoragedevices,usingthesoftwareforinitializingit.
•UsetherecoveryprogramprovidedbyLenovotobringthestoragedevicesbacktothefactorydefault
settings.
Theseoperations,however,onlychangethefilelocationofthedata;theydonotdeletethedataitself.In
otherwords,thedataretrievalprocessingisdisabledunderanoperatingsystemsuchasWindows.The
dataisstillthere,eventhoughitseemstobelost.Thus,itissometimespossibletoreadthedatabyuseof
specialsoftwarefordatarecovery.Thereisariskthatpeopleofbadfaithmightreadandmisusethecritical
dataonharddiskdrives,solid-statedrives,orhybriddrivesforunexpectedpurposes.
Topreventleakageofdata,itisimportantthatyoudeleteallthedatafromthestoragedeviceswhen
youdisposeof,sell,orhandoveryourcomputer.Youcandestroythedataphysicallybysmashingthe
storagedeviceswithahammer,ormagneticallybymeansofstrongmagneticpower,thusmakingthedata
unreadable.Butitisrecommendedthatyouusethesoftware(payware)orservice(payservice)developed
forthatpurpose.Theprocessmighttakeseveralhours.
Fordisposingofdataonthesolid-statedrive,LenovoprovidesDriveEraseUtilityforResettingthe
CryptographicKeyandErasingtheSolidStateDrivetool.Fordisposingofdataonthestoragedevices,
LenovoprovidestheSecureDataDisposal™tool.Gotohttp://www.lenovo.com/supporttodownload
thesetools.
IfanEncryptionhybriddrive,Encryptionsolid-statedriveoraDiskEncryptionharddisk
driveissupportedandinstalledinyourcomputer,youcanlogicallydisposeofallthedata
Chapter5.Security51