9.PressFn+F10tosavechangesandexittheThinkPadSetupprogram.
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.TypethecurrentmasterharddiskpasswordintheEnterCurrentPasswordeld.Then,leavetheEnter
NewPasswordeldblank,andpressEntertwice.
8.PressFn+F10tosavechangesandexittheThinkPadSetupprogram.Theuserharddiskpasswordand
themasterharddiskpasswordhavebeenremoved.
Powermanagement
Toreducepowerconsumption,thecomputerhasthreepowermanagementmodes:screenblank,sleep,
andhibernation.
Screenblankmode(fortheWindows7operatingsystemonly)
Ifthetimesetonthe“Turnoffmonitor”timerintheoperatingsystemexpires,theLCDbacklightturnsoff.
Toputthecomputerintoscreenblankmode,dothefollowing:
1.Right-clickthebatterygaugeinthetaskbar.
2.SelectPoweroffdisplay(keepcurrentpowerplan).
Toendscreenblankmodeandresumenormaloperation,pressanykey.
Sleepmode
Whenthecomputerenterssleepmode,thefollowingeventsoccurinadditiontowhatoccursinscreen
blankmode:
•TheLCDispoweredoff.
•Theharddiskdriveispoweredoff.
•Themicroprocessorstops.
Tocausethecomputertoreturnfromsleepmodeandresumeoperation,dooneofthefollowing:
•PresstheFnkey.
•OpentheLCDcover.
•Turnonthepowerbutton.
Also,ineitherofthefollowingevents,thecomputerautomaticallyreturnsfromsleepmodeandresumes
operation:
38HardwareMaintenanceManual