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Use the front-panel control button to lock the button(s).
1 2 3 4 5
1.
Press and hold Button 4 for four seconds, a menu appears on the screen.
Dell 22 Monitor
Select option:
2.
Select one of the following options:
Options
Description
1
Menu Buttons lock
Select this option to lock OSD menu function.
2
Power Button lock
Use this option to lock power button.
3
Menu and Power Buttons
lock
Use this option to lock OSD menu and power button.
4
Built-in Diagnostics
Use this option to run the built-in diagnostics, see
.
