HP Compaq Presario,Presario 1700 Supplementary Manual page 42

4. Move to Set Supervisor Password. Press the Enter key.
5. Set your personal password, and press the Enter key. You
must confirm the password and press the Enter key again.
6. Move to Password on boot using the + or - keys to
select Enable.
7. Using the arrow keys, select Exit from the menu bar.
8. Make sure that Exit Saving Changes is selected. Press the
Enter key.
9. Select Yes to save your changes and exit.
Your power-on password is now set. Every time you turn on
your Notebook, resume working from hibernation mode, or
access F10 Setup, you must enter this password.
To remove a power-on password, complete the following steps:
1. Access F10 Setup as above, enter your current password, and
press the Enter key. In the spaces to enter your new password
and confirm new password, press the Enter key. Press the
Enter key again to exit the screen.
2. Move to Password on boot using the + or - key to
select Disable.
3. Using your arrow keys, select Exit from the menu bar.
4. Make sure that Exit Saving Changes is selected. Press the
Enter key.
5. Select Yes to save your changes and exit.