Lenovo ThinkPad Edge E431 - Errors without messages

Table5.Securitymenuitems(continued)
Menuitem
SubmenuitemSelectionComments
FlashBIOSUpdatingby
End-Users
•Disabled
•Enabled
IfyouselectEnabled,
alluserscanupdatethe
UEFIBIOS.Ifyouselect
Disabled,onlytheperson
whoknowsthesupervisor
passwordcanupdatethe
UEFIBIOS.
UEFIBIOSUpdateOption
SecureRollBackPrevention
•Disabled
•Enabled
IfyouselectDisabled,you
canashtheolderversion
UEFIBIOS.
MemoryProtectionExecutionPrevention•Disabled
•Enabled
Somecomputerviruses
andwormscausememory
bufferstooverowby
runningcodewhereonly
dataisallowed.Ifthe
DataExecutionPrevention
featurecanbeusedwith
youroperatingsystem,then
byselectingEnabledyou
canprotectyourcomputer
againstattacksbysuch
virusesandworms.Ifafter
choosingEnabledyound
thataprogramdoesnotrun
correctly,selectDisabled
andresetthesetting.
IntelVirtualization
Technology
•Disabled
•Enabled
IfyouselectEnabled,a
VirtualMachineMonitor
(VMM)canutilizethe
additionalhardware
capabilitiesprovidedby
VirtualizationTechnology.
Virtualization
IntelVT-dFeature•Disabled
•Enabled
IntelVT-disIntel
VirtualizationTechnology
forDirectedI/O.When
enabled,aVMMcanutilize
theplatforminfrastructure
forI/Ovirtualization.
Note:Thissub-menuisnot
supportedinmodelswith
anAMDCPU.
EthernetLAN•Disabled
•Enabled
IfyouselectEnabled,you
canusetheEthernetLAN
device.
WirelessLAN•Disabled
•Enabled
IfyouselectEnabled,you
canusethewirelessLAN
device.
WirelessWAN•Disabled
•Enabled
IfyouselectEnabled,you
canusethewirelessWAN
device.
I/OPortAccess
112UserGuide