4.Reinstallthecoin-cellbattery.Forinstructionsonhowtoinstallthecoin-cellbattery,see“1130Coin-cell
battery”onpage84.
5.Reinstalltheexternalbatterypack.Forinstructionsonhowtoinstalltheexternalbatterypack,see
“1020Externalbatterypack”onpage62.
6.Turnonthecomputerandwaituntilthepower-onself-test(POST)ends.AfterthePOSTends,the
passwordpromptdoesnotappear.Thepower-onpasswordhasbeenremoved.
Ifasupervisorpasswordhasbeensetandisknowntotheservicetechnician,dothefollowingtoremove
thepower-onpassword:
1.Turnonthecomputer.
2.Whenthelogoscreencomesup,immediatelypressthespeaker-mutekey.
3.TypethesupervisorpasswordtoentertheThinkPadSetupprogram.
4.SelectSecurity.
5.SelectPassword.
6.SelectPower-OnPassword.
7.TypethecurrentsupervisorpasswordintheEnterCurrentPasswordfield.thenleavetheEnter
NewPasswordfieldblank,andpressEntertwice.
8.IntheChangeshavebeensavedwindow,pressEnter.
9.PressthesearchkeytosavechangesandexittheThinkPadSetupprogram.
Howtoremovetheharddiskpassword
Attention:IfUseronlymodeisselectedandtheuserharddiskpasswordhasbeenforgottenandcannotbe
madeavailabletotheservicetechnician,neitherLenovonorLenovoauthorizedservicetechniciansprovide
anyservicestoresettheuserharddiskpasswordsortorecoverdatafromtheharddiskdrive.Toputthe
systembacktooperationalstatus,theonlyLenovoandLenovo-authorizedservicesolutionwouldbeto
replacetheharddiskdriveorsolid-statedrivewithascheduledfee.
Toremoveauserharddiskpasswordthathasbeenforgotten,whenthesupervisorpasswordandmaster
harddiskpasswordareknown,dothefollowing:
1.Turnonthecomputer.
2.Whenthelogoscreencomesup,immediatelypressthespeaker-mutekeytoentertheThinkPad
Setupprogram.
3.SelectSecurity.
4.SelectPassword.
5.SelectHarddiskxpassword,wherexistheletteroftheharddiskdrive.Apop-upwindowopens.
6.SelectMasterharddiskpassword.
7.TypethecurrentmasterharddiskpasswordintheEnterCurrentPasswordfield.ThenleavetheEnter
NewPasswordfieldblank,andpressEntertwice.
8.PressthesearchkeytosavechangesandexittheThinkPadSetupprogram.Theuserharddisk
passwordandthemasterharddiskpasswordhavebeenremoved..
Powermanagement
Toreducepowerconsumption,thecomputerhasthreepowermanagementmodes:screenblank,sleep,
andhibernation.
Chapter4.Relatedserviceinformation33