How To Remove The System Management Password - Lenovo 20QN000DIX Hardware Maintenance Manual

any services to reset the user hard disk passwords, or to recover data from the hard disk drive. To put the
system back to operational status, the only Lenovo and Lenovo-authorized service solution would be to
replace the hard disk drive (HDD) or SSD with a scheduled fee.
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 ThinkPad logo comes up, immediately press F1 to enter the ThinkPad 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 ThinkPad 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 to save changes and exit the ThinkPad 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 "Disable the built-in battery" on page 72.
3. Remove the base cover assembly. See "1010 Bottom cover" on page 73.
4. Remove the internal battery pack. See "1090 Built-in battery" on page 82.
5. Remove the coin-cell battery. See "1040 Coin-cell battery" on page 77.
6. Reinstall the coin-cell battery.
7. Reinstall the internal battery pack.
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 ThinkPad logo is displayed, immediately press F1.
3. Type the supervisor password to enter the ThinkPad Setup program.
4. Select Security.
5. Select Password.
6. Select System Management Password.
.
Chapter 4 Related service information
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