Compaq 247320-003 - Deskpro 4000 - 5166 Model 2500/CDS Reference Manual page 43

3. Press the Enter key to bypass the welcome screens and
display the main menu.
4. Select Computer Setup from the main menu and press the
Enter key.
5. Select the Built-In Devices option.
6. Select the Security Management option.
7. Select Enable Power-On Password.
8. Locate the QuickLock and QuickBlank items, in the
Power-On Password section, and select Enable QuickLock
of the Keyboard.
9. Select any other QuickLock/QuickBlank 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.
Once in an application, enter the QuickLock key combination
(Ctrl+Alt+L).
The keyboard and mouse (or other input device connected to the
mouse connector) is disabled. The application cannot be
accessed, but remains in view, unless the QuickBlank feature is
also enabled through the Computer Setup utility.
To enable the keyboard and input device connected to the
mouse connector, enter the power-on password.
For security reasons, the characters you type do not
appear on the screen. The application will not be affected
by the characters typed.