•Setapower-onpasswordaswellasaharddiskpasswordforyourinternalharddiskdriveorsolid-state
drive.Refertotheproceduresin“Power-onpassword”onpage49
and“Harddiskpasswords”onpage
52.Forsecurity,alongerpasswordisrecommended.
•IfaDiskEncryptionharddiskdriveoranEncryptionsolid-statedriveisinstalledinyourcomputer,besure
toprotectthecontentsofyourcomputermemoryfromunauthorizedaccessesbyuseofdriveencryption
software,suchasMicrosoftWindowsBitLocker
®
DriveEncryption,whichissupportedintheUltimateand
EnterpriseeditionsoftheWindows7operatingsystemandProfessionalandEnterpriseeditionsofthe
Windows8.1operatingsystem.Referto“UsingWindowsBitLockerDriveEncryption”onpage54
.
•Beforeyoudisposeof,sell,orhandoveryourcomputer,besuretodeletedatastoredonit.Formore
information,referto“Noticeondeletingdatafromyourharddiskdriveorsolid-statedrive”onpage54.
Note:Theharddiskdriveorsolid-statedrivebuiltintoyourcomputercanbeprotectedbyUEFIBIOS.
UsingWindowsBitLockerDriveEncryption
Tohelpprotectyourcomputeragainstunauthorizedaccess,usethedriveencryptionsoftware,suchas
WindowsBitLockerDriveEncryption.
WindowsBitLockerDriveEncryptionisanintegralsecurityfeatureofWindows7andWindows8.1operating
systems.ItissupportedintheUltimateandEnterpriseeditionsoftheWindows7andProfessionaland
EnterpriseeditionsoftheWindows8.1operatingsystem.Itcanhelpyouprotecttheoperatingsystemand
datastoredonyourcomputer,evenifyourcomputerislostorstolen.BitLockerworksbyencryptingalluser
andsystemfiles,includingtheswapandhibernationfiles.
BitLockerprovidesenhancedprotectionforyourdataandtoensureearlybootcomponentintegrity.
TochecktheBitLockerstatus,gotoControlPanel,andclickSystemandSecurity➙BitLockerDrive
Encryption.
FormoreinformationaboutWindowsBitLockerDriveEncryption,seethehelpinformationsystemofthe
Windowsoperatingsystem,orsearchfor“MicrosoftWindowsBitLockerDriveEncryptionStep-by-Step
Guide”ontheMicrosoftWebsite.
DiskEncryptionharddiskdriveandEncryptionsolid-statedrive
SomemodelscontaintheDiskEncryptionharddiskdriveorEncryptionsolid-statedrive.Thisfeaturehelps
toprotectyourcomputeragainstsecurityattacksonmedia,NANDflashordevicecontrollersbyuseof
ahardwareencryptionchip.Fortheefficientuseoftheencryptionfeature,besuretosetaharddisk
passwordfortheinternalstoragedevice.
Noticeondeletingdatafromyourharddiskdriveorsolid-statedrive
Someofthedatastoredontheharddiskdriveorsolid-statedrivemightbesensitive.Handingyour
computerovertosomeoneelsewithoutdeletingtheloadedsoftware,suchasoperatingsystemsand
applicationsoftware,mightevenviolatelicenseagreements.Besuretodeletedatastoredontheharddisk
driveorsolid-statedrivebeforeyoudisposeof,sell,orhandoveryourcomputer.
Youcanusethefollowingmethodstodeletedatafromtheharddiskdriveorsolid-statedrive:
•MovethedatatotheRecycleBin,andthenemptytheRecycleBin.
•Deletethedata.
•Formatyourharddiskdriveorsolid-statedrive,usingthesoftwareforinitializingit.
•UsetherecoveryprogramprovidedbyLenovotobringtheharddiskdriveorsolid-statedrivebackto
thefactorydefaultsettings.
54UserGuide
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