Lenovo T431s User's Guide Page 118
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Table5.Securitymenuitems(continued)
Menuitem
Submenuitem
Value
Comments
PhysicalPresencefor
Clear
•Disabled
•Enabled
Thisoptionenablesordisablestheconrmation
messagewhenyouclearthesecuritychip.
FlashBIOSUpdating
byEnd-Users
•Disabled
•Enabled
IfyouselectEnabled,alluserscanupdatethe
UEFIBIOS.IfyouselectDisabled,onlythe
personwhoknowsthesupervisorpasswordcan
updatetheUEFIBIOS.
UEFIBIOS
UpdateOption
SecureRollBack
Prevention
•Disabled
•Enabled
IfyouselectDisabled,youcanashtothe
previousversionofUEFIBIOS.Ifyouselect
Enabled,youcannotashtothepreviousversion
ofUEFIBIOS.
Memory
Protection
ExecutionPrevention•Disabled
•Enabled
Somecomputervirusesandwormscause
memorybufferstooverowbyrunningcode
whereonlydataisallowed.IftheDataExecution
Preventionfeaturecanbeusedwithyour
operatingsystem,thenbyselectingEnabled
youcanprotectyourcomputeragainstattacks
bysuchvirusesandworms.Ifafterchoosing
Enabledyoundthataprogramdoesnotrun
correctly,selectDisabledandresetthesetting.
IntelVirtualization
Technology
•Disabled
•Enabled
IfyouselectEnabled,aVirtualMachineMonitor
(VMM)canutilizetheadditionalhardware
capabilitiesprovidedbyIntelVirtualization
Technology.
Virtualization
IntelVT-dFeature•Disabled
•Enabled
IntelVT-disIntelVirtualizationTechnologyfor
DirectedI/O.Whenenabled,aVMMcanutilize
theplatforminfrastructureforI/Ovirtualization.
EthernetLAN•Disabled
•Enabled
IfyouselectEnabled,youcanusetheEthernet
LANdevice.
WiMAX•Disabled
•Enabled
IfyouselectEnabled,youcanusetheWiMAX
device.
WirelessWAN•Disabled
•Enabled
IfyouselectEnabled,youcanusetheWireless
WANdevice.
Bluetooth•Disabled
•Enabled
IfyouselectEnabled,youcanuseBluetooth
devices.
USBPort
•Disabled
•Enabled
IfyouselectEnabled,youcanuseUSB
connectors.
Ultrabay(HDD/Optical)
•Disabled
•Enabled
IfyouselectEnabled,youcanuseUltrabay
Enhanceddevices.
eSATAPort
•Disabled
•Enabled
IfyouselectEnabled,youcanusetheeSATAPort.
MemoryCardSlot
•Disabled
•Enabled
IfyouselectEnabled,youcanusethememory
cardslots.
SmartCardSlot
•Disabled
•Enabled
IfyouselectEnabled,youcanusethesmart
cardslot.
I/OPortAccess
102UserGuide
- UserGuide 1
- FirstEdition(March2013) 2
- Contents 3
- Readthisrst 7
- Importantsafetyinformation 8
- Safetyguidelines 9
- Powercordsandpoweradapters 10
- Plugsandoutlets 11
- Powersupplystatement 11
- Externaldevices 12
- Generalbatterynotice 12
- Lithiumcoincellbatterynotice 13
- Heatandproductventilation 13
- Usingheadphonesorearphones 15
- Additionalsafetyinformation 15
- Chapter1.Productoverview 17
- Right-sideview 19
- Left-sideview 20
- Bottomview 21
- Rearview 22
- Statusindicators 22
- Features 25
- Specications 26
- Operatingenvironment 27
- Lenovoprograms 27
- Chapter1.Productoverview13 29
- Lenovoprogramoverview 30
- Chapter1.Productoverview15 31
- Chapter2.Usingyourcomputer 33
- Specialkeys 35
- Functionkeys 35
- Windowskey 36
- Chapter2.Usingyourcomputer21 37
- Powermanagement 38
- Checkingthebatterystatus 38
- Usingtheacpoweradapter 39
- Chargingthebattery 39
- Maximizingthebatterylife 39
- Managingthebatterypower 40
- Power-savingmodes 40
- Connectingtothenetwork 41
- Ethernetconnections 41
- Wirelessconnections 42
- UsingBluetooth 43
- Usinganexternalmonitor 45
- Changingdisplaysettings 47
- UsingtheExtenddesktopfunction 47
- Settingupapresentation 48
- Usingaudiofeatures 48
- Usingthecamera 49
- Usingamediacard 50
- Insertingamediacard 50
- Removingamediacard 50
- Chapter3.Youandyourcomputer 51
- Accessibilityinformation 52
- Travelingwithyourcomputer 53
- Traveltips 53
- Travelaccessories 54
- Chapter4.Security 55
- Power-onpassword 56
- Harddiskpasswords 56
- Chapter4.Security41 57
- Supervisorpassword 58
- Chapter4.Security43 59
- Harddisksecurity 60
- Settingthesecuritychip 61
- Usingthengerprintreader 62
- Chapter4.Security47 63
- Usingrewalls 64
- Protectingdataagainstviruses 64
- .Security49 65
- 50UserGuide 66
- Chapter5.Recoveryoverview 67
- Chapter5.Recoveryoverview53 69
- Creatingandusingarescuemedium 70
- Solvingrecoveryproblems 71
- Refreshingyourcomputer 72
- Advancedstartupoptions 72
- .Recoveryoverview57 73
- 58UserGuide 74
- Chapter6.Replacingdevices 75
- Replacingthebasecoverassembly 77
- Chapter6.Replacingdevices63 79
- Replacingamemorymodule 80
- ReplacinganM.2wirelessLANcard 81
- .Replacingdevices67 83
- ReplacinganM.2wirelessWANcard 84
- Chapter6.Replacingdevices69 85
- Replacingthebackupbattery 87
- Replacingthekeyboard 88
- Chapter6.Replacingdevices73 89
- 74UserGuide 90
- .Replacingdevices75 91
- .Replacingdevices77 93
- 78UserGuide 94
- Frontview 96
- Securityfeature 103
- Usingthesystemlockkey 104
- Chapter8.Advancedconguration 105
- Installingdevicedrivers 107
- Windows7) 108
- ThinkPadSetup 108
- Congmenu 109
- Mainmenu 109
- .Advancedconguration95 111
- 96UserGuide 112
- .Advancedconguration97 113
- 98UserGuide 114
- DateandTimemenu 115
- Securitymenu 115
- 100UserGuide 116
- .Advancedconguration101 117
- 102UserGuide 118
- Startupmenu 119
- Restartmenu 121
- UpdatingyoursystemUEFIBIOS 122
- Usingsystemmanagement 122
- Systemmanagement 122
- Settingmanagementfeatures 123
- Chapter9.Preventingproblems 125
- Takingcareofyourcomputer 127
- 114UserGuide 130
- Diagnosingproblems 131
- Troubleshooting 131
- Computerstopsresponding 131
- Spillsonthekeyboard 132
- Errormessages 132
- Errorswithoutmessages 134
- Beeperrors 135
- Memorymoduleproblems 135
- Networkingproblems 136
- AwirelessLANproblem 137
- AwirelessWANproblem 137
- Bluetoothproblems 137
- Keyboardproblems 138
- Computerscreenproblems 138
- Externalmonitorproblems 139
- Audioproblems 142
- Fingerprintreaderproblems 143
- Batteryandpowerproblems 143
- Anacpoweradapterproblem 144
- Powerproblems 144
- Apowerbuttonproblem 145
- Bootproblems 145
- Sleepandhibernationproblems 145
- Harddiskdriveproblems 146
- Asoftwareproblem 147
- 132UserGuide 148
- Chapter11.Gettingsupport 149
- Gettinghelpandservice 150
- Usingdiagnosticprograms 150
- LenovoSupportWebsite 150
- CallingLenovo 150
- FindingThinkPadoptions 151
- Purchasingadditionalservices 151
- 136UserGuide 152
- Wirelessrelatedinformation 153
- 1WirelessLANantenna(main) 154
- 2WirelessWANantenna(main) 154
- Exportclassicationnotice 155
- Electronicemissionnotices 155
- Directive 156
- 142UserGuide 158
- ImportantWEEEinformation 159
- Japanrecyclingstatements 159
- RecyclinginformationforBrazil 160
- 146UserGuide 162
- ©CopyrightLenovo2013 163
- 5.ClickthePowerManagementtab 164
- 7.ClickOK 164
- 148UserGuide 164
- AppendixD.Notices 165
- Trademarks 166
- ChinaRoHS 167
- TurkishRoHS 167
- UkraineRoHS 167
- IndiaRoHS 168
- 154UserGuide 170
- PartNumber: 172
- PrintedinChina 172
- (1P)P/N: 172
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