2.WhentheThinkPadlogocomesup,immediatelypressF1toenterBIOSSetupUtility.Formodels
supportingthePassphrasefunction,pressF1whileHDPiconisappearingonthescreen;thenenterthe
masterHDP .Fortheothermodels,enterthemasterHDP.
Note:TocheckwhethertheThinkPadNotebookyouareservicingsupportsthePassphrasefunction,
entertheBIOSSetupUtilityandgotoSecurity➙Password.IfUsingPassphraseitemisdisplayed
inthemenu,thisfunctionisavailableontheThinkPadNotebook.
3.SelectSecurity,usingthecursordirectionalkeystomovedownthemenu.
4.SelectPassword.
5.SelectHard-diskxpassword,wherexistheletteroftheharddiskdrive.Apop-upwindowopens.
6.SelectMasterHDP.
7.TypethecurrentmasterHDPintheEnterCurrentPasswordeld.thenleavetheEnterNewPassword
eldblank,andpressEntertwice.
8.PressF10.
9.SelectYesintheSetupCongurationwindow.BothuserHDPandmasterHDPwillhavebeenremoved.
Powermanagement
Toreducepowerconsumption,thecomputerhasthreepowermanagementmodes:screenblank,sleep
(standbyinWindowsXP),andhibernation.
Screenblankmode
Ifthetimesetonthe“Turnoffmonitor”timerintheoperatingsystemexpires,theLCDbacklightturnsoff.
Toputthecomputerintoscreenblankmode,doasfollows:
1.Right-clickthePowerManagerBatteryGaugeinthetaskbar.
2.SelectPoweroffdisplay(keepcurrentpowerplan)(inWindowsXP ,keepcurrentpowerscheme).
Toendscreenblankmodeandresumenormaloperation,pressanykey.
Sleeporstandbymode
Whenthecomputerenterssleep(standby)mode,thefollowingeventsoccurinadditiontowhatoccurs
inscreenblankmode:
•TheLCDispoweredoff.
•Theharddiskdriveispoweredoff.
•TheCPUstops.
Ifa“suspendtime”hasbeensetonthetimer,andtheuserdoesnotdoanyoperationwiththekeyboard,the
TrackPoint,theharddisk,theparallelconnector,orthediskettedrivewithinthattime,thecomputergoes
intosleep(standby)modeautomatically.
Note:Evenifyoudonotsetthelow-batteryalarm,thechargeindicatornotiesyouwhenthebatteryislow,
andthenthecomputerentersthepower-savingmodeautomatically.
Tocausethecomputertoreturnfromsleep(standby)modeandresumeoperation,dooneofthefollowing:
•PresstheFnkey.
•OpentheLCDcover.
•Turnonthepowerswitch.
Also,ineitherofthefollowingevents,thecomputerautomaticallyreturnsfromsleep(standby)modeand
resumesoperation:
38HardwareMaintenanceManual