Supervisor Password; How To Remove The Power-On Password - Lenovo ThinkPad T450 Hardware Maintenance Manual

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 35.

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 external battery pack. For instructions on how to remove the external battery pack, see
"1020 External battery pack" on page 60.
3. Remove the internal battery pack. For instructions on how to remove the internal battery pack, see
"1090 Internal battery pack" on page 75.
4. Remove the coin-cell battery. For instructions on how to remove the coin-cell battery, see "1100
Coin-cell battery" on page 77. Wait for a few seconds.
5. Reinstall the coin-cell battery. For instructions on how to install the coin-cell battery, see "1100 Coin-cell
battery" on page 77.
6. Reinstall the internal battery pack. For instructions on how to reinstall the internal battery pack, see
"1090 Internal battery pack" on page 75.
7. Reinstall the external battery pack. For instructions on how to install the external battery pack, see
"1090 Internal battery pack" on page 75.
8. Turn on the computer and wait until the power-on self-test (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 logo screen 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.
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Hardware Maintenance Manual