Monitor Users Guide
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... parts and controls 8 Front view 8 Back view 9 Bottom view 10 Monitor specifications 11 Resolution specifications 12 Preset display modes 12 Electrical specifications 13 Physical characteristics 13 Environmental characteristics 14 Power management modes 15 Pin assignments 17 Plug-and-play 19 LCD monitor quality and pixel policy 19 Ergonomics 20 Handling and moving your display 22 Maintenance guidelines 23 Cleaning your monitor 23 Setting up the monitor 24 Connecting the stand 24 Using the tilt, swivel, and vertical extension...
... parts and controls 8 Front view 8 Back view 9 Bottom view 10 Monitor specifications 11 Resolution specifications 12 Preset display modes 12 Electrical specifications 13 Physical characteristics 13 Environmental characteristics 14 Power management modes 15 Pin assignments 17 Plug-and-play 19 LCD monitor quality and pixel policy 19 Ergonomics 20 Handling and moving your display 22 Maintenance guidelines 23 Cleaning your monitor 23 Setting up the monitor 24 Connecting the stand 24 Using the tilt, swivel, and vertical extension...
Monitor Users Guide
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... the display settings on your computer after rotation 27 Connecting your monitor 28 Organizing your cables 29 Securing your monitor using Kensington lock (optional) 29 Removing the monitor stand 30 Wall mounting (Optional 31 Operating the monitor 32 Power on the monitor 32 Using the front panel controls 32 Using the OSD lock function 34 Front‑panel button 36 Using the On-Screen Display (OSD) menu 37 Accessing the menu system 37 OSD warning messages 48 Setting the maximum resolution 50 Troubleshooting 51...
... the display settings on your computer after rotation 27 Connecting your monitor 28 Organizing your cables 29 Securing your monitor using Kensington lock (optional) 29 Removing the monitor stand 30 Wall mounting (Optional 31 Operating the monitor 32 Power on the monitor 32 Using the front panel controls 32 Using the OSD lock function 34 Front‑panel button 36 Using the On-Screen Display (OSD) menu 37 Accessing the menu system 37 OSD warning messages 48 Setting the maximum resolution 50 Troubleshooting 51...
Monitor Users Guide
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..., enabling easier set up and screen optimization. • Supports AMD FreeSync™ technology. WARNING: The possible long-term effects of blue light emitted from the monitor may cause damage to optimize eye comfort. • Quick Setup Guide • Safety,Environmental,and Regulatory Information Product features The Dell S2421HS/S2721HS/S2421HSX/S2721HSX monitor has an active matrix, Thin Film Transistor (TFT), Liquid Crystal Display (LCD), and LED backlight. ComfortView feature...
..., enabling easier set up and screen optimization. • Supports AMD FreeSync™ technology. WARNING: The possible long-term effects of blue light emitted from the monitor may cause damage to optimize eye comfort. • Quick Setup Guide • Safety,Environmental,and Regulatory Information Product features The Dell S2421HS/S2721HS/S2421HSX/S2721HSX monitor has an active matrix, Thin Film Transistor (TFT), Liquid Crystal Display (LCD), and LED backlight. ComfortView feature...
Monitor Users Guide
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... in your monitor | 9 Use to contact Dell for technical support. Refer to this label if you need to organize cables by placing them through the slot. About your display and access warranty information. Back view 1 2 3 5 4 S2421HS/S2721HS 1 2 3 5 4 S2421HSX/S2721HSX Label 1 2 3 4 5 Description VESA mounting holes (100 mm x 100 mm-behind attached VESA cover) Regulatory label Stand release button Barcode, serial number, and Service Tag label Cable management slot Use Wall mount monitor using VESA-compatible wall mount kit (100...
... in your monitor | 9 Use to contact Dell for technical support. Refer to this label if you need to organize cables by placing them through the slot. About your display and access warranty information. Back view 1 2 3 5 4 S2421HS/S2721HS 1 2 3 5 4 S2421HSX/S2721HSX Label 1 2 3 4 5 Description VESA mounting holes (100 mm x 100 mm-behind attached VESA cover) Regulatory label Stand release button Barcode, serial number, and Service Tag label Cable management slot Use Wall mount monitor using VESA-compatible wall mount kit (100...
Monitor Users Guide
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Resolution specifications Model S2421HS/S2421HSX/S2721HS/S2721HSX DisplayPort HDMI Horizontal scan range 83 kHz to 83 kHz 30 kHz to 83 kHz Vertical scan range 48 Hz to 90° Cable management Yes Dell Display Manager (DDM)Compatibility Easy Arrange and other key features Security Security-lock slot (cable lock sold separately) *At panel native resolution only, under Custom Mode preset. Height adjustable stand 100 mm 110mm Tilt -5° to 21° Swivel -30°...
Resolution specifications Model S2421HS/S2421HSX/S2721HS/S2721HSX DisplayPort HDMI Horizontal scan range 83 kHz to 83 kHz 30 kHz to 83 kHz Vertical scan range 48 Hz to 90° Cable management Yes Dell Display Manager (DDM)Compatibility Easy Arrange and other key features Security Security-lock slot (cable lock sold separately) *At panel native resolution only, under Custom Mode preset. Height adjustable stand 100 mm 110mm Tilt -5° to 21° Swivel -30°...
Monitor Users Guide
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... with stand assembly and cables Weight without stand assembly (For wall mount or VESA mount considerations no cables) Weight of stand assembly 4.8 kg (10.58 lb) 3.2 kg (7.05 lb) 1.3 kg (2.87 lb) Environmental characteristics 174.7 mm (6.88 in.) 8.9 kg (19.62 lb) 6.0 kg (13.23 lb) 4.3 kg (9.48 lb) 1.5 kg (3.31 lb) Compliant standards • ENERGY STAR certified Monitor • TCO Certified Display •...
... with stand assembly and cables Weight without stand assembly (For wall mount or VESA mount considerations no cables) Weight of stand assembly 4.8 kg (10.58 lb) 3.2 kg (7.05 lb) 1.3 kg (2.87 lb) Environmental characteristics 174.7 mm (6.88 in.) 8.9 kg (19.62 lb) 6.0 kg (13.23 lb) 4.3 kg (9.48 lb) 1.5 kg (3.31 lb) Compliant standards • ENERGY STAR certified Monitor • TCO Certified Display •...
Monitor Users Guide
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...24/27 Monitor Brightness/Contrast Input Source Color Display Menu Personalize Others Language Transparency Timer Lock Reset Menu Menu Buttons Power Button Menu + Power Buttons Disable 2. Yes No S2421HS/S2721HS/S2421HSX/S2721HSX 3. Select one of the following message appears. The following options. Dell 24/27 Monitor Are you sure you want to lock the buttons. Select Yes to lock the Menu Buttons? Once locked, pressing any control button will display the lock icon Use the front-panel control button to the User's Guide. To unlock the Buttons, refer to lock the button...
...24/27 Monitor Brightness/Contrast Input Source Color Display Menu Personalize Others Language Transparency Timer Lock Reset Menu Menu Buttons Power Button Menu + Power Buttons Disable 2. Yes No S2421HS/S2721HS/S2421HSX/S2721HSX 3. Select one of the following message appears. The following options. Dell 24/27 Monitor Are you sure you want to lock the buttons. Select Yes to lock the Menu Buttons? Once locked, pressing any control button will display the lock icon Use the front-panel control button to the User's Guide. To unlock the Buttons, refer to lock the button...
Monitor Users Guide
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Menu Buttons unlock 2 Use this option to unlock OSD menu function. Built-in the OSD menu. Front Panel Button 1 1 23 Description Use the Up (increase) and Down (decrease) buttons to adjust items in Diagnostics Front‑panel button Use the buttons on the front of the monitor to adjust the image settings. Options 1 Description Use this option to unlock power button to turn off the monitor. Menu and Power Buttons unlock 4 Use this option to unlock OSD menu and power button to turn off the monitor. Up 2 Down Use the OK button to...
Menu Buttons unlock 2 Use this option to unlock OSD menu function. Built-in the OSD menu. Front Panel Button 1 1 23 Description Use the Up (increase) and Down (decrease) buttons to adjust items in Diagnostics Front‑panel button Use the buttons on the front of the monitor to adjust the image settings. Options 1 Description Use this option to unlock power button to turn off the monitor. Menu and Power Buttons unlock 4 Use this option to unlock OSD menu and power button to turn off the monitor. Up 2 Down Use the OK button to...
Monitor Users Guide
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... Source Color Use to select Auto Select to the factory defaults. Dell 24/27 Monitor Brightness/Contrast Input Source Color Display Menu Personalize Others Preset Modes Input Color Format Reset Color Standard RGB Operating the monitor | 39 Resets your monitor. Dell 24/27 Monitor Brightness/Contrast DP Input Source HDMI Auto select On Color Display Reset Input Source Menu Personalize Others DP Use to adjust the color setting mode. Use the Color menu to select the DP input source. HDMI Use to your monitor's Input Source settings to scan for available input signals...
... Source Color Use to select Auto Select to the factory defaults. Dell 24/27 Monitor Brightness/Contrast Input Source Color Display Menu Personalize Others Preset Modes Input Color Format Reset Color Standard RGB Operating the monitor | 39 Resets your monitor. Dell 24/27 Monitor Brightness/Contrast DP Input Source HDMI Auto select On Color Display Reset Input Source Menu Personalize Others DP Use to adjust the color setting mode. Use the Color menu to select the DP input source. HDMI Use to your monitor's Input Source settings to scan for available input signals...
Monitor Users Guide
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... 0 to manually adjust the color settings. Operating the monitor | 41 NOTE: Hue adjustment is available only for Movie and FPS, RTS, RPG mode. Resets your monitor's color settings to 100. Dell 24/27 Monitor Brightness/Contrast Input Source Color Display Menu Personalize Others Preset Modes Input Color Format Reset Color RGB YPbPr Hue Saturation Reset Color Use or to adjust the hue from 0 to the factory defaults. Icon Menu and Submenus Input Color Format Description • Custom Color: Allows you to set the video input mode to: • RGB: Select this...
... 0 to manually adjust the color settings. Operating the monitor | 41 NOTE: Hue adjustment is available only for Movie and FPS, RTS, RPG mode. Resets your monitor's color settings to 100. Dell 24/27 Monitor Brightness/Contrast Input Source Color Display Menu Personalize Others Preset Modes Input Color Format Reset Color RGB YPbPr Hue Saturation Reset Color Use or to adjust the hue from 0 to the factory defaults. Icon Menu and Submenus Input Color Format Description • Custom Color: Allows you to set the video input mode to: • RGB: Select this...
Monitor Users Guide
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The buttons are locked. Restore the menu settings to adjustments. Icon Menu and Submenus Lock Description Controls user access to factory defaults. 44 | Operating the monitor Dell 24/27 Monitor Brightness/Contrast Input Source Color Display Menu Personalize Others Language Transparency Timer Lock Reset Menu Menu Buttons Power Button Menu + Power Buttons Disable Reset Menu • 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. ...
The buttons are locked. Restore the menu settings to adjustments. Icon Menu and Submenus Lock Description Controls user access to factory defaults. 44 | Operating the monitor Dell 24/27 Monitor Brightness/Contrast Input Source Color Display Menu Personalize Others Language Transparency Timer Lock Reset Menu Menu Buttons Power Button Menu + Power Buttons Disable Reset Menu • 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. ...
Monitor Users Guide
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... Factory Reset 46 | Operating the monitor Dell 24/27 Monitor Brightness/Contrast Input Source Color Display Menu Personalize Others Display Info DDC/CI LCD Conditioning Firmware Service Tag Reset Others Factory Reset On O 00X000 ABCDEFG ENERGY STAR Display Info DDC/CI Displays the monitor's current settings. DDC/CI (Display Data Channel/Command Interface) allows you to turn off this feature. Select Off to adjust the monitor settings using software on . Icon Menu and Submenus Others Description Select this option to adjust the OSD settings...
... Factory Reset 46 | Operating the monitor Dell 24/27 Monitor Brightness/Contrast Input Source Color Display Menu Personalize Others Display Info DDC/CI LCD Conditioning Firmware Service Tag Reset Others Factory Reset On O 00X000 ABCDEFG ENERGY STAR Display Info DDC/CI Displays the monitor's current settings. DDC/CI (Display Data Channel/Command Interface) allows you to turn off this feature. Select Off to adjust the monitor settings using software on . Icon Menu and Submenus Others Description Select this option to adjust the OSD settings...
Monitor Users Guide
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...: 1. S2421HS/S2421HSX S2721HS/S2721HSX Dell 24 Monitor Dell 27 Monitor No DP Cable The display will go into Standby mode in 4 minutes. Turn off your monitor is functioning properly. then turn on -screen (against a black background), if the monitor cannot sense a video signal and is disconnected or damaged. 5. Turn on the monitor. Turn off both your computer and the monitor. Troubleshooting WARNING: Before you to check whether your monitor and reconnect the video cable; Self...
...: 1. S2421HS/S2421HSX S2721HS/S2721HSX Dell 24 Monitor Dell 27 Monitor No DP Cable The display will go into Standby mode in 4 minutes. Turn off your monitor is functioning properly. then turn on -screen (against a black background), if the monitor cannot sense a video signal and is disconnected or damaged. 5. Turn on the monitor. Turn off both your computer and the monitor. Troubleshooting WARNING: Before you to check whether your monitor and reconnect the video cable; Self...
Monitor Users Guide
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... inherent problem with your monitor, or with your monitor is functioning properly. Built-in diagnostics Your monitor has a built-in diagnostics option. A gray screen appears. 4. The color of the screen). 2. Repeat steps 5 and 6 to inspect the display when it changes to red. 6. Press Button 1 on the surface of the screen changes to green, blue, black, white, and text screens. To exit, press Button 1 again. Check the video card and computer. 52 | Troubleshooting The...
... inherent problem with your monitor, or with your monitor is functioning properly. Built-in diagnostics Your monitor has a built-in diagnostics option. A gray screen appears. 4. The color of the screen). 2. Repeat steps 5 and 6 to inspect the display when it changes to red. 6. Press Button 1 on the surface of the screen changes to green, blue, black, white, and text screens. To exit, press Button 1 again. Check the video card and computer. 52 | Troubleshooting The...
Monitor Users Guide
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... the Input Source menu. LCD screen has • Cycle power on-off . LCD screen has • Cycle power on Dell Monitor Quality and PixelPolicy, see Dell Support site at : www.dell.com/support/monitors. Picture too dim • Reset the monitor to factory settings. spots • Pixel that can occur in LCD technology. • For more information on Dell Monitor Quality and Pixel Policy, see Dell Support site at : www.dell.com/support/monitors. or too bright • Adjust brightness and contrast controls through brightness OSD. • Perform monitor...
... the Input Source menu. LCD screen has • Cycle power on-off . LCD screen has • Cycle power on Dell Monitor Quality and PixelPolicy, see Dell Support site at : www.dell.com/support/monitors. Picture too dim • Reset the monitor to factory settings. spots • Pixel that can occur in LCD technology. • For more information on Dell Monitor Quality and Pixel Policy, see Dell Support site at : www.dell.com/support/monitors. or too bright • Adjust brightness and contrast controls through brightness OSD. • Perform monitor...
Monitor Users Guide
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... diagnostics. Product specific problems Problem What You Experience Screen image is Image is too small centered on monitor to factory settings. 54 | Troubleshooting a long period of the Preset Modes in the Display menu OSD. • Reset the monitor to the computer is connected properly & off the monitor at all times when not in use a dynamically changing time screensaver. Missing Color Picture missing color • Perform monitor self-test. • Ensure that the video cable connecting the malfunctions...
... diagnostics. Product specific problems Problem What You Experience Screen image is Image is too small centered on monitor to factory settings. 54 | Troubleshooting a long period of the Preset Modes in the Display menu OSD. • Reset the monitor to the computer is connected properly & off the monitor at all times when not in use a dynamically changing time screensaver. Missing Color Picture missing color • Perform monitor self-test. • Ensure that the video cable connecting the malfunctions...
Monitor Users Guide
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... power saving mode by moving the mouse or pressing any key on the keyboard. • Check whether the signal cable is white The picture cannot fill the height or width of DVDs, the monitor may display in full screen. • Run the built-in properly. Problem Cannot adjust the monitor with the buttons on the front panel No Input Signal when user controls are pressed The picture does not fill the entire screen...
... power saving mode by moving the mouse or pressing any key on the keyboard. • Check whether the signal cable is white The picture cannot fill the height or width of DVDs, the monitor may display in full screen. • Run the built-in properly. Problem Cannot adjust the monitor with the buttons on the front panel No Input Signal when user controls are pressed The picture does not fill the entire screen...
Monitor Display Manager Users Guide
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It enables manual adjustment of the displayed image, assignment of displays. Dell S2421HS/S2421HSX - Dell 24/27 Monitor Brightness/Contrast Display Info Input Source DDC/CI On Color LCD Conditioning O Display Firmware Menu Personalize Service Tag Reset Others Others Factory Reset 4 | Overview Overview Dell Display Manager is a Microsoft Windows application used to manage a display or a group of automatic settings, energy management, window organization, image rotation, and other features on selected Dell displays. Standard S2421HS/S2421HSX Dell S2721HS/S2721HSX - ...
It enables manual adjustment of the displayed image, assignment of displays. Dell S2421HS/S2421HSX - Dell 24/27 Monitor Brightness/Contrast Display Info Input Source DDC/CI On Color LCD Conditioning O Display Firmware Menu Personalize Service Tag Reset Others Others Factory Reset 4 | Overview Overview Dell Display Manager is a Microsoft Windows application used to manage a display or a group of automatic settings, energy management, window organization, image rotation, and other features on selected Dell displays. Standard S2421HS/S2421HSX Dell S2721HS/S2721HSX - ...
Monitor Display Manager Users Guide
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Using the Quick Settings Dialog Clicking Dell Display Manager's notification tray icon to the computer, a specific target display can be selected using the menu. Dell S2421HS/S2421HSX S2421HS/S2421HSX Using the Quick Settings Dialog | 5 When more than one supported Dell displays are connected to open the Quick Settings dialog box. You can select Manual Mode or Auto Mode, and the screen resolution can be changed. The Quick Settings dialog box enables convenient adjustment of the display's brightness, contrast, resolution, window layout, and so on.
Using the Quick Settings Dialog Clicking Dell Display Manager's notification tray icon to the computer, a specific target display can be selected using the menu. Dell S2421HS/S2421HSX S2421HS/S2421HSX Using the Quick Settings Dialog | 5 When more than one supported Dell displays are connected to open the Quick Settings dialog box. You can select Manual Mode or Auto Mode, and the screen resolution can be changed. The Quick Settings dialog box enables convenient adjustment of the display's brightness, contrast, resolution, window layout, and so on.
Monitor Display Manager Users Guide
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... manage multiple video inputs connected to your changes after editing. Please save your Dell display. All video input ports available to your favorite input and another shortcut key to quickly switch between two inputs if you often work with multiple computers. Dell S2421HS/S2421HSX DP (Active) HDMI DP HDMI HDMI S2421HS/S2421HSX Dell S2721HS/S2721HSX DP (Active) HDMI DP HDMI HDMI S2721HS/S2721HSX Managing Multiple Video Inputs | 15 You can give each input a name as you work between inputs while...
... manage multiple video inputs connected to your changes after editing. Please save your Dell display. All video input ports available to your favorite input and another shortcut key to quickly switch between two inputs if you often work with multiple computers. Dell S2421HS/S2421HSX DP (Active) HDMI DP HDMI HDMI S2421HS/S2421HSX Dell S2721HS/S2721HSX DP (Active) HDMI DP HDMI HDMI S2721HS/S2721HSX Managing Multiple Video Inputs | 15 You can give each input a name as you work between inputs while...