Theseoperations,however,onlychangetheleallocationofthedata;theydonotdeletethedataitself.In
otherwords,thedataretrievalprocessingisdisabledunderanoperatingsystemsuchasWindows.The
dataisstillthere,eventhoughitseemstobelost.Thus,itissometimespossibletoreadthedatabyuseof
specialsoftwarefordatarecovery.Thereisariskthatpeopleofbadfaithmightreadandmisusethecritical
dataonharddiskdrivesorsolid-statedrivesforunexpectedpurposes.
Topreventleakageofdata,itbecomesveryimportantthatyoutakeresponsibilityfordeletingallthedata
fromtheharddiskdriveorsolid-statedrivewhenyoudisposeof,sell,orhandoveryourcomputer.You
candestroythedataphysicallybysmashingtheharddiskdriveorsolid-statedrivewithahammer,or
magneticallybymeansofstrongmagneticpower,thusmakingthedataunreadable.Butwerecommend
thatyoumakeuseofthesoftware(payware)orservice(payservice)specicallydevelopedforthepurpose.
Fordisposingofdataontheharddiskdriveorsolid-statedrive,LenovoprovidestheSecureDataDisposal
tool.Todownloadtheprogram,goto:
http://www.lenovo.com/support
Note:Runningeitherprogramwilltakeacoupleofhours.
Ifyouusesoftwaredesignedforusewiththeharddiskdrivetodeletedatastoredonthesolid-statedrive,it
willeraseonlydatathatisaccessiblebynormaloperation.Itmaynoterasethehiddenareaoftheash
chip.Therefore,sometimesitmaystillbepossibletoreadthedatabyuseofspecialequipmentora
specialtool.Topreventleakageofdatafromthesolid-statedrive,itisrecommendedthatyoudelete
alldataontheashchipsbyuseofaprogramprovidedbyLenovo.ThisprogramcalledtheThinkPad
SetupMenuExtensionUtilitymakesitpossibletoeraseallthedataontheashchipsofthesolid-state
drivefromtheThinkPadSetupwithinaminute.Todownloadthisprogram,gototheLenovoWebsite
http://www.lenovo.com/support.
IfEncryptionsolid-statedriveorDiskEncryptionharddiskdriveissupportedandinstalledinyourcomputer,
youcanlogicallydisposeofallthedataonadeviceinaveryshorttimebyerasingthecryptographickey.
Thedataencryptedwiththeoldkeyisnotphysicallyerasedbutremainsonthedisk;however,itcannotbe
decryptedwithouttheoldkey.ThisfeatureisenabledbytheThinkPadSetupMenuExtensionUtilityandis
availableasamenuitemintheThinkPadSetup.
Usingrewalls
Ifyoursystemispreinstalledwitharewallprogram,itprotectsagainstcomputerInternetsecuritythreats,
unauthorizedaccesses,intrusions,andInternetattacks.Italsoprotectsyourprivacy.
Formoreinformationabouthowtousetherewallprogram,refertothehelpinformationsystemthat
comeswiththeprogram.
Protectingdataagainstviruses
Yourcomputerispreinstalledwithanantivirusprogramsoyoucandetectandeliminateviruses.The
antivirusprogramisdesignedtohelpyoudetectandeliminateviruses.
Lenovoprovidesafullversionofantivirussoftwareonyourcomputerwithafree30-daysubscription.After
30days,youmustrenewthelicensetocontinuereceivingtheantivirussoftwareupdates.
Formoreinformationabouthowtouseyourantivirussoftware,refertothehelpinformationsystemof
yourantivirussoftware.
52UserGuide