Dell UltraSharp U2421HE User Manual page 46

Icon Menu and
Submenus
Lock
Reset Menu
46 | Operating the Monitor
Description
Controls user access to adjustments. the buttons are locked.
Dell UltraSharp 24/27 Monitor
Brightness/Contrast
Input Source
Color
Display
Menu
Personalize
Others
• Menu Buttons: Through OSD to lock the Menu buttons.
• Power Button: Through OSD to lock the Power button.
• Menu + Power Buttons: Through OSD to lock the all of Menu
and Power buttons.
• Disable: Press and hold the
button for 4 sec.
Restore the menu settings to factory defaults.
Language
Rotation
Transparency
Timer
Lock
Reset Menu
button on the left of the power
Menu Buttons
Power Button
Menu + Power Buttons
Disable