Compaq 247320-003 - Deskpro 4000 - 5166 Model 2500/CDS Reference Manual page 33

2. When the F10 Setup message appears in the lower-right
corner of the Compaq logo screen, press the F10 key.
If you do not press the F10 key while the message is
displayed, you must turn the computer off, then on again
to access the utility.
3. Press the Enter key to bypass the welcome screens and
display the main menu.
4. From the main menu, select Computer Setup, and press the
Enter key.
5. Select the Built-In Devices option.
6. Select the Security Management option.
7. Locate the Power-On Password option and select Enable
Power-On Password.
8. Follow the instructions on the screen to establish a power-
on password, then select OK.
9. Choose any other power-on password preferences, then
select OK to exit the security management screen.
For more information about the various screen and
configuration options, refer to Chapter 8, "Using Compaq
Utilities."
10. Select File, Save Changes and Exit from the menu bar near
the top of the screen.
To enter the power-on password, complete the following steps:
1. Turn on the computer.
2. When the key icon appears on the monitor, enter your
current password.
Type carefully; for security reasons, the characters you
type do not appear on the screen.
If you enter the password incorrectly, a broken key icon
appears. Try again. After three unsuccessful tries, you must
turn off the computer, then turn it on again before you can
continue.