Lenovo ThinkPad E450 (English) Hardware Maintenance Manual - ThinkPad E450, E4 - Page 45

Howtoremovethepower-onpassword, Howtoremovetheharddiskpassword

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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 "1130 Battery pack" on page 81. 3. Remove the coin-cell battery. For instructions on how to remove the coin-cell battery, see "1060 Coin-cell battery" on page 68. Wait for a few seconds. 4. Reinstall the coin-cell battery. For instructions on how to install the coin-cell battery, see "1060 Coin-cell battery" on page 68. 5. Reinstall the battery pack. For instructions on how to install the battery pack, see "1130 Battery pack" on page 81. 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 system back to operational status, the only Lenovo and Lenovo-authorized service solution would be to replace the hard disk drive, hybrid drive, or solid-state drive 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. 3. Select Security. 4. Select Password. 5. Select Hard-disk x password, where x is the letter of the hard disk drive. A pop-up window opens. 6. Select Master hard disk password. 7. 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. 8. Press F10. Chapter 4. Related service information 39

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Howtoremovethepower-onpassword
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 “1130 Battery
pack” on page 81.
3. Remove the coin-cell battery. For instructions on how to remove the coin-cell battery, see “1060
Coin-cell battery” on page 68. Wait for a few seconds.
4. Reinstall the coin-cell battery. For instructions on how to install the coin-cell battery, see “1060 Coin-cell
battery” on page 68.
5. Reinstall the battery pack. For instructions on how to install the battery pack, see “1130 Battery pack”
on page 81.
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-OnPassword
.
7. Type the current supervisor password in the
EnterCurrentPassword
field. Then leave the
Enter
NewPassword
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.
Howtoremovetheharddiskpassword
Attention:
If
Useronly
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
system back to operational status, the only Lenovo and Lenovo-authorized service solution would be to
replace the hard disk drive, hybrid drive, or solid-state drive 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.
3. Select
Security
.
4. Select
Password
.
5. Select
Hard-disk
x
password
, where
x
is the letter of the hard disk drive. A pop-up window opens.
6. Select
Masterharddiskpassword
.
7. Type the current master hard disk password in the
EnterCurrentPassword
field. Then leave the
Enter
NewPassword
field blank, and press Enter twice.
8. Press F10.
Chapter 4
.
Related service information
39