DELL NX046 User Manual

Securing Your Computer

A change to Admin Password becomes effective immediately (no need to 

restart the computer).

When you enter the system setup program (see "System Setup" on page 89), the 

Unlock Setup option is displayed.
If you do not type the correct administrator password into the 

Unlock Setup 

field, the computer lets you view, but not modify, system setup options.

You can use Password Changes in conjunction with Admin Password to 

protect the system password from unauthorized changes.

To change an existing administrator password, you must know the administrator 

password. To escape from the field without assigning a system password, press 

<Esc> at any time before you complete step 5.

1 Enter the system setup program (see "System Setup" on page 89).
2 Use the arrow keys to navigate to the Admin Password field, and then press 

<Enter>.

3 Type your password into the Old Password field.
4 If you are changing an existing password, follow the instructions in 

"Assigning an Administrator Password" on page 83, starting from step 4.

5 If you are deleting a password, press <Enter> in New Password field, 

leaving the field blank.

6 Press <Enter> a second time, in the Confirm New Password field, leaving 

the field blank.

7 Confirm that Not Set is displayed for the Admin Password setting.

If 

Not Set is displayed, the administrator password has been deleted. If 

Not Set is not displayed, then repeat step 3 through step 8.

8 Exit system setup.

To reset system and/or administrator passwords, see "Trusted Platform Module