Lenovo Laptop X121E User Manual Page 80
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Therearemethodsthatseemtodeletethedata:
•Movethedatatotherecyclebin,andthenchoosetheEmptyrecyclebincommand.
•UsetheDeletecommand.
•Formatyourharddiskdriveorsolidstatedrive,usingthesoftwareforinitializingit.
•Usingtherecoveryprogram,providedbyLenovo,bringtheharddiskdriveorthesolidstatedriveback
tofactory-shipstate.
Theseoperations,however,onlychangetheleallocationofthedata;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)specicallydevelopedforthepurpose.
Fordisposingofdataontheharddiskdrive,LenovoprovidestheSecureDataDisposaltool.Todownload
theapplication,gototheLenovoWebsitehttp://www.lenovo.com/support.
Note:Runningtheapplicationwilltakeacoupleofhours.
Ifyouusesoftwaredesignedforusewiththeharddiskdrivetodeletedatastoredonthesolidstatedrive,it
willeraseonlydatathatisaccessiblebynormaloperation.Itmaynoterasethehiddenareaoftheash
chip.Therefore,sometimesitmaystillbepossibletoreadthedatabyuseofspecialequipmentoraspecial
tool.Topreventleakageofdatafromthesolidstatedrive,itisrecommendedthatyoudeletealldata
ontheashchipsbyuseofanapplicationprovidedbyLenovo.ThisapplicationcalledtheThinkPad
SetupMenuExtensionUtilitymakesitpossibletoeraseallthedataontheashchipsofthesolidstate
drivefromtheThinkPadSetupwithinaminute.Todownloadthisapplication,gototheLenovoWebsite
http://www.lenovo.com/support.
IfEncryptionsolidstatedriveorDiskEncryptionharddiskdriveissupportedandinstalledinyourcomputer,
youcanlogicallydisposeofallthedataonadeviceinaveryshorttimebyerasingthecryptographickey.
Thedataencryptedwiththeoldkeyisnotphysicallyerasedbutremainsonthedisk;however,itcannotbe
decryptedwithouttheoldkey.ThisfeatureisenabledbytheThinkPadSetupMenuExtensionUtilityandis
availableasamenuitemintheThinkPadSetup.
Usingandunderstandingrewalls
Ifyoursystemispreinstalledwitharewallprogram,itprotectsagainstcomputerInternetsecuritythreats,
unauthorizedaccess,intrusions,andInternetattacks.Italsoprotectsyourprivacy.
Formoreinformationabouthowtousetherewallprogram,refertotheon-linehelpthatcomeswith
theprogram.
Protectingdataagainstviruses
Yourcomputerispreinstalledwithanantivirusprogramsoyoucandetectandeliminateviruses.The
antivirusprogramisdesignedtohelpyoudetectandeliminateviruses.
64UserGuide
- UserGuide 1
- SecondEdition(October2011) 2
- ©CopyrightLenovo2011 2
- Contents 3
- AppendixB.WEEEandrecycling 5
- AppendixC.Notices.........169 5
- Readthisrst 7
- Importantsafetyinformation 8
- Safetyguidelines 9
- Powercordsandpoweradapters 10
- Plugsandoutlets 11
- Powersupplystatement 11
- Externaldevices 12
- Generalbatterynotice 12
- Rechargeablebatterynotice 12
- Lithiumcoincellbatterynotice 13
- Heatandproductventilation 13
- Usingheadphonesorearphones 15
- Additionalsafetyinformation 15
- Savetheseinstructions 16
- Chapter1.ProductOverview 17
- Frontview 18
- Right-sideview 20
- 2USBconnector 21
- 3AlwaysOnUSBconnector 21
- 4Powerjack 21
- 5Securitykeyhole 21
- Chapter1.ProductOverview5 21
- Left-sideview 22
- Bottomview 23
- Statusindicators 24
- Systemstatusindicators 25
- Powerstatusindicator 26
- Machinetypeandmodellabel 27
- CerticateofAuthenticitylabel 28
- Features 28
- Specications 29
- Operatingenvironment 30
- Chapter1.ProductOverview15 31
- AccessConnections 33
- ActiveProtectionSystem 33
- FingerprintSoftware 33
- LenovoSolutionsCenter 33
- LenovoThinkVantageTools 34
- LenovoThinkVantageToolbox 34
- MessageCenterPlus 34
- Chapter1.ProductOverview19 35
- ThinkVantageGPS 36
- Chapter2.Usingyourcomputer 37
- Specialkeysandbuttons 38
- Functionkeycombinations 39
- Chapter2.Usingyourcomputer25 41
- Windowskeyandapplicationkey 42
- Usingthetouchpad 44
- Chapter2.Usingyourcomputer29 45
- Powermanagement 46
- Checkingbatterystatus 46
- Usingtheacpoweradapter 46
- Chargingthebattery 47
- Maximizingbatterylife 47
- Power-savingmodes 48
- Handlingthebattery 49
- Connectingtothenetwork 50
- Ethernetconnections 50
- Wirelessconnections 51
- UsingwirelessWANconnections 52
- UsingBluetooth 52
- Chapter2.Usingyourcomputer37 53
- Chapter2.Usingyourcomputer39 55
- UsingWiMAX 56
- Chapter2.Usingyourcomputer41 57
- Changingdisplaysettings 58
- Attachinganexternalmonitor 59
- Settingupapresentation 61
- Usingacolorprole 61
- Usingaudiofeatures 61
- Usingtheintegratedcamera 62
- Usingdualdisplays 63
- Usingthemediacardreader 65
- 50UserGuide 66
- Chapter3.Youandyourcomputer 67
- Adjustingyourcomputertotyou 68
- Accessibilityinformation 69
- Travelingwithyourcomputer 69
- Traveltips 70
- Travelaccessories 70
- Chapter4.Security 71
- Power-onpassword 72
- Harddiskpasswords 73
- Supervisorpassword 75
- Harddisksecurity 77
- Usingangerprintreader 77
- Chapter4.Security63 79
- Usingandunderstandingrewalls 80
- Protectingdataagainstviruses 80
- .Security65 81
- 66UserGuide 82
- Chapter5.Recoveryoverview 83
- Creatingrecoverymedia 84
- Usingrecoverymedia 84
- Performingabackupoperation 85
- Performingarecoveryoperation 85
- Creatingandusingarescuemedium 87
- Creatingarescuemedium 87
- Usingarescuemedium 87
- Solvingrecoveryproblems 89
- 74UserGuide 90
- Chapter6.Replacingdevices 91
- 1,andremovethebattery2 92
- Chapter6.Replacingdevices77 93
- .Replacingdevices79 95
- Replacingamemorymodule 96
- Chapter6.Replacingdevices81 97
- Replacingthekeyboard 99
- 5.Removethescrews 100
- 84UserGuide 100
- Installingthekeyboard 101
- .Replacingdevices85 101
- 86UserGuide 102
- LAN/WiMAXconnection 103
- 1,andthenremovethecover2 104
- .Replacingdevices89 105
- 1.Securethecardwiththescrew2 106
- Chapter6.Replacingdevices91 107
- 92UserGuide 108
- .Replacingdevices93 109
- ReplacingtheSIMcard 110
- 1,andremoveitfromtheslot2 111
- Chapter6.Replacingdevices95 111
- Replacingthebackupbattery 112
- Chapter6.Replacingdevices97 113
- Installingthebackupbattery 114
- 98UserGuide 114
- .Replacingdevices99 115
- 100UserGuide 116
- FindingThinkPadoptions 117
- 102UserGuide 118
- Chapter8.Advancedconguration 119
- InstallingWindows7 120
- InstallingWindowsVista 121
- InstallingWindowsXP 122
- Installingdevicedrivers 124
- Installingdriversandsoftware 126
- ThinkPadSetup 126
- Congmenu 127
- Date/Timemenu 128
- Securitymenu 128
- Startupmenu 129
- Restartmenu 130
- ThinkPadSetupitems 130
- Congmenuitems 131
- .Advancedconguration115 131
- 116UserGuide 132
- .Advancedconguration117 133
- Securitymenuitems 134
- 118UserGuide 134
- .Advancedconguration119 135
- Startupmenuitems 136
- 120UserGuide 136
- UpdatingyoursystemUEFIBIOS 137
- Usingsystemmanagement 138
- Systemmanagement 138
- Settingmanagementfeatures 138
- Startupsequence 139
- 124UserGuide 140
- Chapter9.Preventingproblems 141
- Takingcareofyourcomputer 143
- 130UserGuide 146
- Diagnosingproblems 147
- Troubleshooting 148
- Computerstopsresponding 148
- Spillsonthekeyboard 149
- Errormessages 149
- Errorswithoutmessages 151
- Beeperrors 152
- Memoryproblems 152
- Networking 152
- AwirelessLANproblem 153
- AwirelessWANproblem 154
- Bluetoothproblems 154
- UltraNavproblems 157
- Keyboardproblems 157
- Displayandmultimediadevices 158
- Externalmonitorproblems 159
- Audioproblems 163
- Fingerprintreaderproblems 165
- Batteryandpower 165
- Batteryproblems 166
- ACpoweradapterproblems 166
- Powerproblems 166
- Apowerbuttonproblem 167
- Startupproblems 167
- Drivesandotherstoragedevices 169
- Softwareproblems 169
- Portsandconnectors 169
- UniversalSerialBusproblems 169
- Chapter11.Gettingsupport 171
- Gettinghelpandservice 172
- Usingdiagnosticprograms 172
- LenovoSupportWebsite 172
- CallingLenovo 173
- Purchasingadditionalservices 173
- 158UserGuide 174
- Wirelessrelatedinformation 175
- 2WirelessWANantenna(Main) 176
- Exportclassicationnotice 178
- Electronicemissionnotices 178
- Directive 179
- JapaneseVCCIClassBstatement 180
- Japanrecyclingstatements 181
- ImportantWEEEinformation 181
- RecyclinginformationforBrazil 182
- 168UserGuide 184
- AppendixC.Notices 185
- Trademarks 186
- ChinaRoHS 187
- TurkishRoHS 187
- UkraineRoHS 187
- IndiaRoHS 188
- PartNumber: 190
- PrintedinChina 190
- (1P)P/N: 190
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