ThinkPad S230u - Power Management Features

5.SelectPassword.
6.SelectPower-OnPassword.
7.T ypethecurrentsupervisorpasswordintheEnterCurrentPasswordeld.Then,leavetheEnter
NewPasswordeldblank,andpressEntertwice.
8.IntheChangeshavebeensavedwindow,pressEnter.
9.PressFn+F10tosavechangesandexittheThinkPadSetupprogram.
Howtoremovetheharddiskpassword
Attention:IfUseronlymodeisselectedandtheuserharddiskpasswordhasbeenforgottenandcannot
bemadeavailabletotheservicetechnician,neitherLenovonorLenovoauthorizedservicetechnicians
provideanyservicestoresettheuserharddiskpasswordsortorecoverdatafromtheharddiskdrive.The
harddiskdrivecanbereplacedforascheduledfee.
Toremoveauserharddiskpasswordthathasbeenforgotten,whenthemasterharddiskpasswordare
known,dothefollowing:
1.T urnonthecomputer.
2.WhentheThinkPadlogocomesup,immediatelypressF1toenterThinkPadSetup.
3.SelectSecurity.
4.SelectPassword.
5.SelectHard-diskxpassword,wherexistheletteroftheharddiskdrive.Apop-upwindowopens.
6.SelectMasterHDP.
7.T ypethecurrentmasterharddiskpasswordintheEnterCurrentPasswordeld.ThenleavetheEnter
NewPasswordeldblank,andpressEntertwice.
8.PressFn+F10tosavechangesandexittheThinkPadSetupprogram.
9.SelectYesintheSetupNoticewindow.Boththeuserharddiskpasswordandmasterharddisk
passwordwillberemoved.
Powermanagement
Thereareseveralpower-savingmodes,suchassleepmode,hibernationmode,andwirelessoffmode.
Thesepower-savingmodesenabletheuserstoconservepoweratanytime.
Sleepmode
Whenthecomputerenterssleepmode,thefollowingeventsoccur:
•TheLCDispoweredoff.
•Theharddiskdriveispoweredoff.
•Themicroprocessorstops.
Incertaincircumstances,thecomputergoesintosleepmodeautomatically:
•Afteraperiodofinactivityspeciedinpowerplansettings
•Whenthebatteryindicatorblinksorange,indicatingthatthebatterypowerislow
Toreturnfromsleepmode,dooneofthefollowing:
•PresstheFnkey.
•OpentheLCDcover.
•Pressthepowerbutton.
Also,ineitherofthefollowingevents,thecomputerautomaticallyreturnsfromsleepmodeandresumes
operation:
36HardwareMaintenanceManual