ThinkPad T420 - Passwords; Power-On Password; Hard-Disk Password

2.InserttheOperatingSystemRecoveryDiscintotheDVDdrive.
3.PressF10tosavetheThinkPadSetupprogramcongurationchanges.Followtheinstructionsonthe
screentobegintherecoveryprocess.
4.SelectyourlanguageandclickNext.
5.Readthelicense.Ifyouagreewiththetermsandconditions,selectIacceptthesetermsand
conditionsandthenclickNext.Ifyoudonotagreewiththetermsandconditions,followthe
instructionsonthescreen.
6.ClickYesinthedisplayedwindowtobegintheoperatingsystemrecoveryprocess.
7.InserttheApplicationsandDriversRecoveryDiscwhenpromptedandthenclickOKtobeginthe
applicationsanddriversrecoveryprocess.
8.IfyouhaveaSupplementalRecoveryDisc,insertitwhenpromptedandclickYes.Ifyoudonothavea
SupplementalRecoveryDisc,clickNo.
9.Whenallofthedatahasbeencopiedfromthelastdiscinthesetandhasbeenprocessed,removethe
discandrestartthecomputer.
Note:Therestoftherecoveryprocessisfullyautomatedandnoactionisrequiredbyyou.The
computerwillrestartintotheMicrosoftWindowsdesktopseveraltimesandyoumightexperience
periodswhennoactivityisapparentonthescreenforseveralminutesatatime.Thisisnormal.
10.Whentherecoveryprocessiscomplete,theSetUpWindowsscreenisdisplayed.Followthe
instructionsonthescreentocompletetheWindowssetup.
11.AfteryouhavecompletedtheWindowssetup,youmightwanttorestoretheoriginalstartupsequence.
StarttheThinkPadSetupprogramandthenpressF9torestorethedefaultsettings.PressF10tosave
andexittheThinkPadSetupprogram.
Note:Afterrestoringadrivetothefactorydefaultsettings,youmightneedtoreinstallsomedevicedrivers.
Passwords
AsmanyasthreepasswordsmaybeneededforanyThinkPadNotebook:thepower-onpassword(POP),
thehard-diskpassword(HDP),andthesupervisorpassword(SVP).
Ifanyofthesepasswordshasbeenset,apromptforitappearsonthescreenwheneverthecomputeris
turnedon.Thecomputerdoesnotstartuntilthepasswordisentered.
Note:IfonlyanSVPisinstalled,thepasswordpromptdoesnotappearwhentheoperatingsystemisbooted.
Power-onpassword
Apower-onpassword(POP)protectsthesystemfrombeingpoweredonbyanunauthorizedperson.The
passwordmustbeenteredbeforeanoperatingsystemcanbebooted.ForhowtoremovethePOP ,see
“Howtoremovethepower-onpassword”onpage43
.
Hard-diskpassword
Therearetwohard-diskpasswords(HDPs):
•UserHDP—fortheuser
•MasterHDP—forthesystemadministrator,whocanuseittogetaccesstotheharddiskeveniftheuser
haschangedtheuserHDP
Note:TherearetwomodesfortheHDP:UseronlyandMaster+User.TheMaster+Usermoderequires
twoHDPs;thesystemadministratorentersbothinthesameoperation.Thesystemadministratorthen
providestheuserHDPtothesystemuser.
42ThinkPadT420andT420iHardwareMaintenanceManual
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