1.Setapower-onpasswordaswellasaharddiskpasswordforyourinternalharddiskdrive.Referto
theproceduresin“Power-onpassword”onpage44and“Harddiskpasswords”onpage44.For
security,alongerpasswordisrecommended.
2.IfaDiskEncryptionharddiskdriveisinstalledinyourcomputer,besuretoprotectthecontentsofyour
computermemoryfromunauthorizedaccessbyuseofdriveencryptionsoftware.
3.Beforeyoudisposeof,sell,orhandoveryourcomputer,besuretodeletedatastoredonit.Referto
“Noticeondeletingdatafromyourharddiskdrive”onpage48
.
Note:TheharddiskdrivebuiltintoyourcomputercanbeprotectedbyUEFIBIOS.
Noticeondeletingdatafromyourharddiskdrive
Ascomputersspreadintoeverycorneroflife,theyprocessmoreandmoreinformation.Thedataonyour
computer,someofwhichmightbesensitive,isstoredonaharddiskdrive.Beforeyoudisposeof,sell,or
handoveryourcomputer,besuretodeletedatastoredonit.
Handingyourcomputerovertosomeoneelsewithoutdeletingtheloadedsoftware,suchasoperating
systemsandprogramsoftware,mightevenviolatelicenseagreements.Youareadvisedtocheckthe
termsandconditionsofthoselicenseagreements.
Therearemethodsthatseemtodeletethedata:
•Movethedatatotherecyclebin,andthenclickEmptyrecyclebin.
•UsetheDeleteoption.
•Formatyourharddiskdrive,usingthesoftwareforinitializingit.
•Usingtherecoveryprogramtobringtheharddiskdrivebacktothefactorydefaultsettings.
Theseoperations,however,onlychangetheleallocationofthedata;theydonotdeletethedataitself.In
otherwords,thedataretrievalprocessingisdisabledunderanoperatingsystemsuchasWindows.The
dataisstillthere,eventhoughitseemstobelost.Thus,itissometimespossibletoreadthedatabyuseof
specialsoftwarefordatarecovery.Thereisariskthatpeopleofbadfaithmightreadandmisusethecritical
dataonharddiskdrivesforunexpectedpurposes.
Topreventleakageofdata,itbecomesveryimportantthatyoutakeresponsibilityfordeletingallthedata
fromtheharddiskdrivewhenyoudisposeof,sell,orhandoveryourcomputer.Youcandestroythedata
physicallybysmashingtheharddiskdrivewithahammer,ormagneticallybymeansofstrongmagnetic
power,thusmakingthedataunreadable.Butwerecommendthatyoumakeuseofthesoftware(payware)or
service(payservice)specicallydevelopedforthepurpose.
Fordisposingofdataontheharddiskdrive,LenovoprovidestheSecureDataDisposaltool.Todownload
theprogram,goto:
http://www.lenovo.com/support
Note:Runningthisprogramwilltakeacoupleofhours.
Usingrewalls
Ifyoursystemispreinstalledwitharewallprogram,itprotectsagainstcomputerInternetsecuritythreats,
unauthorizedaccess,intrusions,andInternetattacks.Italsoprotectsyourprivacy.
Formoreinformationabouthowtousetherewallprogram,refertothehelpinformationsystemthat
comeswiththeprogram.
48UserGuide