Dell E2225H - To Unlock the Button(S)

34 Operating your monitor
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.
Figure 30. Option for unlocking
Table 18. Unlock buttons description.
Options Description
1
Menu Buttons unlock
Select this option to unlock OSD menu function.
2
Power Button unlock
Select this option to unlock power button.
3
Menu and Power Buttons unlock
Select this option to unlock OSD menu and power button.
4
Built-in Diagnostics
Select this option to run the built-in diagnostics, see Built-in diagnostics.