Lenovo ThinkPad W541 (English) Hardware Maintenance Manual - ThinkPad T540p, W - Page 40

Supervisor password, How to remove the power-on password, Attention, Security, Password

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Attention: If the user hard disk password has been forgotten, check whether a master hard disk password has been set. If it has, it can be used for access to the hard disk drive. If no master hard disk password is available, neither Lenovo nor Lenovo authorized service technicians provide any services to reset either the user or the master hard disk password, or to recover data from the hard disk drive. The hard disk drive can be replaced for a scheduled fee. For how to remove the hard disk password, see "How to remove the hard disk password" on page 34. Supervisor password A supervisor password protects the system information stored in the ThinkPad Setup. The user must enter the supervisor password in order to get access to the ThinkPad Setup and change the system configuration. Attention: If the supervisor password has been forgotten and cannot be made available to the service technician, there is no service procedure to reset the password. The system board must be replaced for a scheduled fee. How to remove the power-on password To remove a power-on password, do the following: If no supervisor password has been set, do the following to remove the power-on password: 1. Turn off the computer. 2. Remove the battery pack. For instructions on how to remove the battery pack, see "1010 Battery pack" on page 58. 3. Remove the coin-cell battery. For instructions on how to remove the coin-cell battery, see "1100 Coin-cell battery" on page 67. Wait for a few seconds. 4. Reinstall the coin-cell battery. For instructions on how to install the coin-cell battery, see "1100 Coin-cell battery" on page 67. 5. Reinstall the battery pack. For instructions on how to install the battery pack, see "1010 Battery pack" on page 58. 6. Turn on the computer and wait until the POST ends. After the POST ends, the password prompt does not appear. The power-on password has been removed. If a supervisor password has been set and is known to the service technician, do the following to remove the power-on password: 1. Turn on the computer. 2. When the ThinkPad logo comes up, immediately press F1. 3. Type the supervisor password to enter the ThinkPad Setup program. 4. Select Security. 5. Select Password. 6. Select Power-On Password. 7. Type the current supervisor password in the Enter Current Password field. then leave the Enter New Password field blank, and press Enter twice. 8. In the Changes have been saved window, press Enter. 9. Press F10 to save changes and exit the ThinkPad Setup program. How to remove the hard disk password Attention: If User only mode is selected and the user hard disk password has been forgotten and cannot be made available to the service technician, neither Lenovo nor Lenovo authorized service technicians provide any services to reset the user hard disk passwords or to recover data from the hard disk drive. To put the 34 Hardware Maintenance Manual

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Attention:
Iftheuserharddiskpasswordhasbeenforgotten,checkwhetheramasterharddiskpassword
hasbeenset.Ifithas,itcanbeusedforaccesstotheharddiskdrive.Ifnomasterharddiskpasswordis
available,neitherLenovonorLenovoauthorizedservicetechniciansprovideanyservicestoreseteither
theuserorthemasterharddiskpassword,ortorecoverdatafromtheharddiskdrive.Theharddiskdrive
canbereplacedforascheduledfee.
Forhowtoremovetheharddiskpassword,see“Howtoremovetheharddiskpassword”onpage34.
Supervisor password
AsupervisorpasswordprotectsthesysteminformationstoredintheThinkPadSetup.Theusermustenter
thesupervisorpasswordinordertogetaccesstotheThinkPadSetupandchangethesystemconfiguration.
Attention:
Ifthesupervisorpasswordhasbeenforgottenandcannotbemadeavailabletotheservice
technician,thereisnoserviceproceduretoresetthepassword.Thesystemboardmustbereplacedfor
a scheduled fee.
How to remove the power-on password
Toremoveapower-onpassword,dothefollowing:
Ifnosupervisorpasswordhasbeenset,dothefollowingtoremovethepower-onpassword:
1. Turn off the computer.
2. Remove the battery pack. For instructions on how to remove the battery pack, see “1010 Battery
pack” on page 58.
3. Remove the coin-cell battery. For instructions on how to remove the coin-cell battery, see “1100
Coin-cellbattery”onpage67.Waitforafewseconds.
4.Reinstallthecoin-cellbattery.Forinstructionsonhowtoinstallthecoin-cellbattery,see“1100Coin-cell
battery” on page 67.
5.Reinstallthebatterypack.Forinstructionsonhowtoinstallthebatterypack,see“1010Batterypack”
on page 58.
6.TurnonthecomputerandwaituntilthePOSTends.AfterthePOSTends,thepasswordpromptdoes
not appear. The power-on password has been removed.
Ifasupervisorpasswordhasbeensetandisknowntotheservicetechnician,dothefollowingtoremove
thepower-onpassword:
1. Turn on the computer.
2. When the ThinkPad logo comes up, immediately press F1.
3.TypethesupervisorpasswordtoentertheThinkPadSetupprogram.
4. Select
Security
.
5. Select
Password
.
6. Select
Power-On Password
.
7. Type the current supervisor password in the
Enter Current Password
field. then leave the
Enter
New Password
fieldblank,andpressEntertwice.
8. In the Changes have been saved window, press Enter.
9.PressF10tosavechangesandexittheThinkPadSetupprogram.
How to remove the hard disk password
Attention:
If
Useronly
modeisselectedandtheuserharddiskpasswordhasbeenforgottenandcannotbe
madeavailabletotheservicetechnician,neitherLenovonorLenovoauthorizedservicetechniciansprovide
anyservicestoresettheuserharddiskpasswordsortorecoverdatafromtheharddiskdrive.Toputthe
34
HardwareMaintenanceManual