Lenovo E520 User's Guide Page 133

  • Download
  • Add to my manuals
  • Print
  • Page
    / 194
  • Table of contents
  • TROUBLESHOOTING
  • BOOKMARKS
  • Rated. / 5. Based on customer reviews
Page view 132
MemoryProtection:SpecifythesettingsfortheDataExecutionPreventionfeature.
Virtualization:EnableordisablethesettingsforIntelVirtualizationTechnologyandIntelVT-dFeature.
I/OPortAccess:EnableordisabletheaccesstoindividualI/Oports.
Anti-Theft:EnableordisableUEFIinterfacetoactivateAnti-Theftservices,suchasIntelAT-pand
Computrace.
Tosetapassword,gototheSecuritymenuandselectPassword.Thefollowingsubmenuisdisplayed:
SupervisorPassword
LockUEFISettings
SetMinimumLength
Passwordatunattendedboot
Passwordatrestart
Power-OnPassword
HardDiskxPassword
Notes:
HardDisk1meanstheharddiskdrivebuiltintoyourcomputer.
LockUEFISettingsenablesordisablesthefunctionthatprotectsitemsintheThinkPadSetupfrombeing
changedbyauserwhodoesnothavethesupervisorpassword.Bydefault,thisissettoEnabled.If
yousetthesupervisorpasswordandenablethisfunction,noonebutyoucanchangeanyitemsinthe
ThinkPadSetup.
IfyouselectSetMinimumLength,youcanspecifyaminimumlengthforpower-onpasswordsandhard
diskpasswords.Bydefault,thisissettoDisabled.Ifyousetthesupervisorpasswordandspecifya
minimumlengthforpasswords,noonebutyoucanchangethelength.
IfyouselectandenablePasswordatunattendedboot,apasswordpromptisdisplayedwhenthecomputer
isturnedon,fromeitherapower-offstateorhibernation.IfyouselectDisabled,nopasswordpromptis
displayed;thecomputergoesaheadandloadstheoperatingsystem.Topreventunauthorizedaccess,set
theuserauthenticationontheoperatingsystem.
IfyouselectandenablePasswordatrestart,apasswordpromptisdisplayedwhenyourestartthe
computer.IfyouselectDisabled,nopasswordpromptisdisplayed;thecomputergoesaheadandloadsthe
operatingsystem.Topreventunauthorizedaccess,settheuserauthenticationontheoperatingsystem.
Startupmenu
Youmayneedtochangethestartupsequenceofyourcomputer.Forexample,ifyouhavedifferentoperating
systemsondifferentdevices,youcanhavethesystemstartupfromeitherofthem.
Attention:Afteryouchangeyourstartupsequence,youmustbeextremelycarefulnottospecifyawrong
deviceduringacopy,asave,oraformatoperation.Ifyouspecifyawrongdevice,yourdataandprograms
mightbeerasedoroverwritten.
Attention:IfyouareusingtheBitLocker
®
driveencryption,youshouldnotchangethestartupsequence.
BitLockerdriveencryptiondetectsthechangeofstartupsequenceandlocksthecomputerfrombooting.
Changingthestartupsequence
SelectingStartuptodisplaytheBootsubmenu.
Tochangethestartupsequence,dothefollowing:
Chapter8.Advancedconguration115
Page view 132
1 2 ... 128 129 130 131 132 133 134 135 136 137 138 ... 193 194

Comments to this Manuals

No comments