Lenovo ThinkPad Edge E135 - Spills on the keyboard; Error messages

Table5.Securitymenuitems(continued)
Menuitem
SubmenuitemSelectionComments
Passwordatrestart•Disabled
•Enabled
Ifyouselectandenable
Passwordatrestart,
apasswordpromptis
displayedwhenyourestart
thecomputer.Ifyouselect
Disabled,nopassword
promptisdisplayed;the
computergoesaheadand
loadstheoperatingsystem.
Topreventunauthorized
access,settheuser
authenticationonthe
operatingsystem.
Power-OnPassword
•Disabled
•Enabled
Referto“Power-on
password”onpage44
.
HardDisk1Password•Disabled
•Enabled
Referto“Harddisk
passwords”onpage
44
.
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.
94UserGuide