Compaq Prolinea Family Maintenance & Serice Manual page 174

4. From the main menu, select the Security Management feature, and press
the Enter key.
5. When the steps in the Security Management screen display, select the
step View or Edit Details and press the Enter key.
6. Page down to locate the QuickLock password and QuickBlank items on the
screen and follow the instructions provided to enable them.
7. Save the configuration and exit the utility.
Keyboard and Mouse Interface
Disabling the Keyboard and Mouse Interface
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) are disabled. The application cannot be accessed now, but
remains in view, unless the QuickBlank feature was also enabled through
the Configuration utility.
Enabling the Keyboard and Mouse Interface