User Guide

•Yourngerisverydry.
•Yourngerisstainedwithdirt,mud,oroil.
•Thesurfaceofyourngerisverydifferentfromwhenyouenrolledyourngerprint.
•Yourngeriswet.
•Angerisusedthathasnotbeenenrolled.
Toimprovethesituation,trythefollowing:
•Cleanorwipeyourhandstoremoveanyexcessdirtormoisturefromthengers.
•Enrollanduseadifferentngerforauthentication.
•Ifyourhandsaretoodry,applylotiontothem.
Noticeondeletingdatafromyourharddiskdriveorsolidstatedrive
Ascomputersspreadintoeverycorneroflife,theyprocessmoreandmoreinformation.Thedataonyour
computer,someofwhichissensitive,isstoredonastoragedevice,eitheraharddiskdriveorsolidstate
drive.Beforeyoudisposeof,sell,orhandoveryourcomputer,makesuretodeletedatastoredonit.
Handingyourcomputerovertosomeoneelsewithoutdeletingtheloadedsoftware,suchasoperating
systemsandapplicationsoftware,mayevenviolateLicenseAgreements.Youareadvisedtocheckthe
termsandconditionsofthoseAgreements.
Therearemethodsthatseemtodeletethedata:
•Movethedatatotherecyclebin,andthenchoosetheEmptyrecyclebincommand.
•UsetheDeletecommand.
•Formatyourharddiskdriveorsolidstatedrive,usingthesoftwareforinitializingit.
•Usingtherecoveryprogram,providedbyLenovo,bringtheharddiskdriveorthesolidstatedriveback
tofactory-shipstate.
Theseoperations,however,onlychangetheleallocationofthedata;theydonotdeletethedataitself.In
otherwords,thedataretrievalprocessingisdisabledunderanoperatingsystemsuchasWindows.The
dataisstillthere,eventhoughitseemstobelost.Thus,itissometimespossibletoreadthedatabyuseof
specialsoftwarefordatarecovery.Thereisariskthatpeopleofbadfaithmayreadandmisusethecritical
dataonharddiskdrivesorsolidstatedrivesforunexpectedpurposes.
Topreventleakageofdata,itbecomesveryimportantthatyoutakeresponsibilityfordeletingallthedata
fromtheharddiskdriveorsolidstatedrivewhenyoudisposeof,sell,orhandoveryourcomputer.Youcan
destroythedataphysicallybysmashingtheharddiskdrivewithahammer,ormagneticallybymeansof
strongmagneticpower,thusmakingthedataunreadable.Butwerecommendthatyoumakeuseofthe
software(payware)orservice(payservice)specicallydevelopedforthepurpose.
Fordisposingofdataontheharddiskdrive,LenovoprovidessuchsoftwareasPCDoctorforDOSandthe
SecureDataDisposaltool.Softwareprovidestheinterfaceforfullerasureofthecontentsofaharddisk.To
downloadeitherapplication,gototheLenovoWebsiteat:
http://www.lenovo.com/support
Note:Runningtheapplicationwilltakeacoupleofhours.
IfEncryptionsolidstatedriveorDiskEncryptionharddiskdriveissupportedandinstalledinyourcomputer,
youcanlogicallydisposeofallthedataonadeviceinaveryshorttimebyerasingthecryptographickey.
Thedataencryptedwiththeoldkeyisnotphysicallyerasedbutremainsonthedisk;however,itcannotbe
Chapter4.Security105