HP ProBook 6445b Notebook-PC - Manual (Page 135)

5. When prompted for the new password, leave the field empty, and then press enter .
6. Read the warning. To continue, select YES.
7. When prompted to type your new password again, leave the field empty, and then press enter .
8. To save your changes and exit Computer Setup, click Save in the lower-left corner of the screen,
and then follow the on-screen instructions.
– or –
Use the arrow keys to select File > Save changes and exit, and then press enter .
Your changes go into effect when the computer restarts.
Using passwords 125