Manualshelf

User's Manual

ManualsBrandsIBM ManualslaptopsIBM IBM Laptop W520
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servicetechniciansprovideanyservicestoreseteithertheuserorthemasterHDP ,ortorecoverdatafrom
theharddiskdrive.Theharddiskdrivecanbereplacedforascheduledfee.
ForhowtoremovethePOP,seeHowtoremovethehard-diskpassword.
Supervisorpassword
Asupervisorpassword(SVP)protectsthesysteminformationstoredintheThinkPadSetup.Theusermust
entertheSVPinordertogetaccesstotheThinkPadSetupandchangethesystemconguration.
Attention:IftheSVPhasbeenforgottenandcannotbemadeavailabletotheservicetechnician,thereisno
serviceproceduretoresetthepassword.Thesystemboardmustbereplacedforascheduledfee.
Howtoremovethepower-onpassword
(A)IfnoSVPhasbeenset:
ToremoveaPOPthatyouhaveforgotten,dothefollowing:
1.T urnoffthecomputer.
2.Removethebatterypack.Forhowtoremovethebatterypack,see1010Batterypack.
3.Removethebackupbattery.Forhowtoremovethebackupbattery,see1120Backupbattery.
4.T urnonthecomputerandwaituntilthePOSTends.AfterthePOSTends,thepasswordpromptdoes
notappear.ThePOPhasbeenremoved.
5.Reinstallthebackupbatteryandthebatterypack.
(B)IfanSVPhasbeensetandisknownbytheservicetechnician:
1.T urnonthecomputer.
2.WhentheThinkPadlogocomesup,immediatelypressF1toenterThinkPadSetup.WhenPower-On
Passwordiconisappearingonthescreen,enterthePower-OnPassword.
3.T ypethesupervisorpasswordwhenthesystemrequiresitandpressenter.TheThinkPadSetup
windowopens.
4.SelectSecurity,usingthecursordirectionalkeystomovethemenu.
5.SelectPassword.
6.SelectPower-OnPassword.
7.T ypethecurrentPower-OnPasswordintheEnterCurrentPasswordeld.thenleavetheEnter
NewPasswordeldblank,andpressEntertwice.
8.Inthe“Changeshavebeensaved”window,pressEnter.
9.PressF10;then,intheSetupconrmationwindow,selectYes.
Howtoremovethehard-diskpassword
Attention:IfUseronlymodeisselectedandtheuserHDPhasbeenforgottenandcannotbemade
availabletotheservicetechnician,neitherLenovonorLenovoauthorizedservicetechniciansprovideany
servicestoresettheuserHDPsortorecoverdatafromtheharddiskdrive.Theharddiskdrivecanbe
replacedforascheduledfee.
ToremoveauserHDPthathasbeenforgotten,whentheSVPandthemasterHDPareknown,dothe
following:
1.T urnonthecomputer.
2.WhentheThinkPadlogocomesup,immediatelypressF1toenterThinkPadSetup.WhenPower-On
Passwordiconisappearingonthescreen,enterthePower-OnPassword.
3.SelectSecurity,usingthecursordirectionalkeystomovethemenu.
Chapter4.Relatedserviceinformation37