Laptop User Manual

4.SelectSecurity.
5.SelectPassword.
6.SelectPower-OnPassword.
7.TypethecurrentsupervisorpasswordintheEnterCurrentPasswordeld.ThenleavetheEnter
NewPasswordeldblank,andpressEntertwice.
8.IntheChangeshavebeensavedwindow,pressEnter.
9.PressF10tosavechangesandexittheThinkPadSetupprogram.
Howtoremovetheharddiskpassword
Attention:IfUseronlymodeisselectedandtheuserharddiskpasswordhasbeenforgottenandcannotbe
madeavailabletotheservicetechnician,neitherLenovonorLenovoauthorizedservicetechniciansprovide
anyservicestoresettheuserharddiskpassword,ortorecoverdatafromtheharddiskdrive.Toputthe
systembacktooperationalstatus,theonlyLenovoandLenovo-authorizedservicesolutionwouldbeto
replacetheharddiskdriveorsolid-statedrivewithascheduledfee.
Toremoveauserharddiskpasswordthathasbeenforgotten,whenthesupervisorpasswordandthemaster
harddiskpasswordareknown,dothefollowing:
1.Turnonthecomputer.
2.WhentheThinkPadlogoisdisplayed,immediatelypressF1toentertheThinkPadSetupprogram.
3.SelectSecurity.
4.SelectPassword.
5.SelectHard-diskxpasswordwherexistheletteroftheharddiskdrive.Apop-upwindowopens.
6.SelectMasterHDP,whereHDPstandsforharddiskpassword.
7.TypethecurrentmasterharddiskpasswordintheEnterCurrentPasswordeld.Then,leavetheEnter
NewPasswordeldblank,andpressEntertwice.
8.PressF10tosavechangesandexittheThinkPadSetupprogram.Theuserharddiskpasswordandthe
masterharddiskpasswordhavebeenremoved.
Powermanagement
Toreducepowerconsumption,thecomputerhasthreepowermanagementmodes:screenblank,sleep,
andhibernation.
Screenblankmode(fortheWindows7operatingsystemonly)
Ifthetimesetonthe“T urnoffmonitor”timerintheoperatingsystemexpires,theLCDbacklightturnsoff.
Toputthecomputerintoscreenblankmode,right-clickthebatterygaugefromtheWindowsnotication
areaandselectPoweroffdisplay.
Toendscreenblankmodeandresumenormaloperation,pressanykey.
Sleepmode
Whenthecomputerenterssleepmode,thefollowingeventsoccurinadditiontowhatoccursinscreen
blankmode:
•TheLCDispoweredoff.
•Theharddiskdriveispoweredoff.
•Themicroprocessorstops.
Toentersleepmode,pressFn+F4.
40HardwareMaintenanceManual