Users Guide

4 | Overview
Overview
Dell Display Manager is a Microsoft Windows application used to manage a display or a group of
displays. It enables manual adjustment of the displayed image, assignment of automatic settings,
energy management, window organization, image rotation, and other features on selected Dell
displays. After installed, Dell Display Manager runs each time the system starts and places its
icon in the notication tray. Information about displays connected to the system is available when
hovering over the notication-tray icon.
Dell S2421HS/S2421HSX - Standard
S2421HS/S2421HSX
Dell S2721HS/S2721HSX - Standard
S2721HS/S2721HSX
NOTE: Dell Display Manager uses DDC/CI channel to communicate with your
display. Ensure that DDC/CI is enabled in the menu as below.
Dell 24/27 Monitor
Input Source
Color
Personalize
Display
Menu
Others
Brightness/Contrast
O
On
LCD Conditioning
DDC/CI
Firmware
Reset Others
Factory Reset
Display Info
Service Tag