Lenovo ThinkPad A31p ThinkPad A30/p, A31/p Hardware Maintenance Manual (Septem - Page 35

Supervisor password:, How to remove the power-on password - bios

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Related service information Attention: If the user HDP has been forgotten, check whether a master HDP has been set. If it has, it can be used for access to the hard-disk drive. If no master HDP is available, IBM does not provide any services to reset either the user or the master HDP, or to recover data from the hard-disk drive. The hard-disk drive can be replaced for a scheduled fee. Supervisor password: A supervisor password (SVP) protects the system information stored in the IBM BIOS Setup Utility. The SVP must be entered in order to get access to the IBM BIOS Setup Utility and make changes to system configuration settings. Attention: If the SVP has been forgotten and cannot be made available to the servicer, 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 POP that you have forgotten, do the following: (A) If no SVP has been set: 1. Turn off the computer. 2. Remove the battery pack. For how to remove the battery pack, see "1010 Battery pack" on page 64. 3. Remove the backup battery. For how to remove the backup battery, see "1040 Backup battery" on page 75. 4. Turn on the computer and wait until the POST ends. After the POST ends, the password prompt does not appear. The POP has been removed. 5. Reinstall the backup battery and the battery pack. (B) If an SVP has been set and is known by the servicer: 1. Turn on the computer by pressing and holding F1. 2. Enter the SVP. The IBM BIOS Setup Utility menu appears. 3. Select Password, using the cursor keys to move down the menu. 4. Select Power-On Password. 5. At the Enter Current Password field, enter the SVP. 6. When the Enter New Password field opens, leave it blank and press Enter twice. 7. In the Changes have been saved window, press Enter. General descriptions 31

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Attention:
If the user HDP has been forgotten, check
whether a master HDP has been set. If it has, it can be
used for access to the hard-disk drive. If no master HDP is
available, IBM does not provide any services to reset
either the user or the master HDP, or to recover data from
the hard-disk drive. The hard-disk drive can be replaced
for a scheduled fee.
Supervisor password:
A supervisor password (SVP) protects the system
information stored in the IBM BIOS Setup Utility. The SVP
must be entered in order to get access to the IBM BIOS
Setup Utility and make changes to system configuration
settings.
Attention:
If the SVP has been forgotten and cannot be
made available to the servicer, 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 POP that you have forgotten, do the
following:
(A) If no SVP has been set:
1.
Turn off the computer.
2.
Remove the battery pack.
For how to remove the battery pack, see “1010 Battery
pack” on page 64.
3.
Remove the backup battery.
For how to remove the backup battery, see “1040
Backup battery” on page 75.
4.
Turn on the computer and wait until the POST ends.
After the POST ends, the password prompt does not
appear. The POP has been removed.
5.
Reinstall the backup battery and the battery pack.
(B) If an SVP has been set and is known by the servicer:
1.
Turn on the computer by pressing and holding F1.
2.
Enter the SVP. The IBM BIOS Setup Utility menu
appears.
3.
Select
Password
, using the cursor keys to move down
the menu.
4.
Select
Power-On Password
.
5.
At the Enter Current Password field, enter the SVP.
6.
When the Enter New Password field opens, leave it
blank and press Enter twice.
7.
In the Changes have been saved window, press Enter.
Related service information
General descriptions
31