Dell E2423HN User Manual - Page 27
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To unlock the button(s).
Press and hold Button 4 for four seconds until a menu appears on the screen. The following
table describes the options to unlock the front-panel control buttons.
Dell 24 Monitor
Select option:
Options
1
Menu Buttons unlock
2
Power Button unlock
3
Menu and Power Buttons
unlock
4
Built-in Diagnostics
Dell 24 Monitor
Select option:
Use this option to unlock OSD menu function.
Use this option to unlock power button.
Use this option to unlock OSD menu and power button.
Use this option to run the built-in diagnostics, see
in
diagnostics.
Dell 24 Monitor
Select option:
Description
Operating your monitor
Built-
│
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