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To remove a user hard disk password that has been forgotten, when the supervisor password and master
hard disk password are known, do the following:
1. Turn on the computer.
2. When the logo screen comes up, immediately press F1 to enter the Setup program. When the power-on
password icon is displayed on the screen, enter either the power-on password or the supervisor
password.
3. When the user hard disk password icon is displayed on the screen, press F1. The master hard disk
password icon is displayed.
4. Enter the master hard disk password to enter the Setup program.
5. Select Security.
6. Select Password.
7. Select Hard-disk x password, where x is the letter of the hard disk drive. A pop-up window opens.
8. Select Master hard disk password.
9. Type the current master hard disk password in the Enter Current Password field. Then leave the Enter
New Password field blank, and press Enter twice.
10. Press F10.
11. Press F10 to save changes and exit the Setup program. The user hard disk password and the master
hard disk password have been removed.
How to remove the system management password
To remove a system management password, do the following:
If no supervisor password has been set, do the following to remove the system management password:
1. Turn off the computer and disconnect ac power.
2. Disable the built-in battery. See "Disabling the built-in battery" on page 59.
3. Remove the base cover assembly. See "1010 Base cover assembly" on page 60.
4. Remove the built-in battery. See "1030 Built-in battery" on page 63.
5. Remove the coin-cell battery. See "1060 Coin-cell battery" on page 66.
6. Reinstall the coin-cell battery.
7. Reinstall the built-in battery.
8. Reinstall the base cover assembly.
9. Reconnect ac power.
10. Turn on the computer and wait until the POST ends. After the POST ends, the password prompt does
not appear. The system management password has been removed.
If a supervisor password has been set and is known to the service technician, do the following to remove the
system management password:
1. Turn on the computer.
2. When the logo is displayed, immediately press F1.
3. Type the supervisor password to enter the Setup program.
4. Select Security.
5. Select Password.
6. Select System Management 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.
.
Chapter 4
Related service information
31
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