Monitor Users Guide
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Contents Safety instructions 5 About your monitor 6 Package contents 6 Product features 7 Identifying 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 Speaker specifications 13 Physical characteristics 13 Environmental characteristics 14 Power management modes 15 Pin assignments 17 Plug-and-play 18 LCD monitor quality and pixel policy 18 Ergonomics 18 Handling and moving your display 20 Maintenance guidelines 21 Cleaning your monitor 21...
Contents Safety instructions 5 About your monitor 6 Package contents 6 Product features 7 Identifying 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 Speaker specifications 13 Physical characteristics 13 Environmental characteristics 14 Power management modes 15 Pin assignments 17 Plug-and-play 18 LCD monitor quality and pixel policy 18 Ergonomics 18 Handling and moving your display 20 Maintenance guidelines 21 Cleaning your monitor 21...
Monitor Users Guide
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...; Setting up the monitor 22 Connecting the stand 22 Using the tilt 25 Connecting your monitor 26 Organizing your cables 27 Securing your monitor using Kensington lock (optional) . 27 Removing the monitor stand 28 Wall mounting (Optional 29 Operating the monitor 30 Power on the monitor 30 Using the front panel controls 30 Using the OSD lock function 32 Front‑panel button 35 Using the On-Screen Display (OSD) menu 36 Accessing the menu system 36 OSD warning messages 46 Setting the maximum resolution 48 Troubleshooting 49...
...; Setting up the monitor 22 Connecting the stand 22 Using the tilt 25 Connecting your monitor 26 Organizing your cables 27 Securing your monitor using Kensington lock (optional) . 27 Removing the monitor stand 28 Wall mounting (Optional 29 Operating the monitor 30 Power on the monitor 30 Using the front panel controls 30 Using the OSD lock function 32 Front‑panel button 35 Using the On-Screen Display (OSD) menu 36 Accessing the menu system 36 OSD warning messages 46 Setting the maximum resolution 48 Troubleshooting 49...
Monitor Users Guide
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... active area display (Measured diagonally) 1920 x 1080 (16:9) resolution, plus full-screen support for lower resolutions. • Tilt adjustment capability. • Removable pedestal and Video Electronics Standards Association (VESA™) 100 mm mounting holes for flexible mounting solutions. • Ultra-thin bezel minimizes the bezel gap in multi-monitor usage, enabling easier set up with an elegant viewing experience. • Extensive digital connectivity with a flicker-free screen. HDMI cable Dell S2421H/S2721H 1 3 1 HDMI Dell S2421H/S2721H 1 1 3 HDMI 3 1 2 2 2 4 HDHMDIM1...
... active area display (Measured diagonally) 1920 x 1080 (16:9) resolution, plus full-screen support for lower resolutions. • Tilt adjustment capability. • Removable pedestal and Video Electronics Standards Association (VESA™) 100 mm mounting holes for flexible mounting solutions. • Ultra-thin bezel minimizes the bezel gap in multi-monitor usage, enabling easier set up with an elegant viewing experience. • Extensive digital connectivity with a flicker-free screen. HDMI cable Dell S2421H/S2721H 1 3 1 HDMI Dell S2421H/S2721H 1 1 3 HDMI 3 1 2 2 2 4 HDHMDIM1...
Monitor Users Guide
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...Secures monitor with your monitor NOTE: The audio line-out port does not support headphones. Only two-channel audio is supported. Connect your computer with HDMI cable. Provides audio output. 10 | About your monitor). Bottom view 1 23 4 56 7 Label Description 1 Built-in right speaker 2 Security lock slot 3 Power connector 4 HDMI port 1 5 HDMI port 2 6 Audio line-out port 7 Built-in left speaker Use Provides audio output. Connect the power cable (shipped with security cable lock (sold separately). Connect speakers to playback audio through HDMI audio channel...
...Secures monitor with your monitor NOTE: The audio line-out port does not support headphones. Only two-channel audio is supported. Connect your computer with HDMI cable. Provides audio output. 10 | About your monitor). Bottom view 1 23 4 56 7 Label Description 1 Built-in right speaker 2 Security lock slot 3 Power connector 4 HDMI port 1 5 HDMI port 2 6 Audio line-out port 7 Built-in left speaker Use Provides audio output. Connect the power cable (shipped with security cable lock (sold separately). Connect speakers to playback audio through HDMI audio channel...
Monitor Users Guide
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...) 5 ms (fast) Color depth Color gamut* Connectivity 4 ms (extreme) 16.7 million colors NTSC 72% • 2 x HDMI1.4 • 1 x Audio line out (3.5 mm jack) Border width (edge of monitor to active area) Top/Left/Right 5.4 mm Bottom 20.7 mm Adjustability Height adjustable NA stand Tilt -5° to 21° 6.0 mm 21.3 mm Swivel NA Pivot NA About your monitor | 11 Monitor specifications Model S2421H S2721H Screen type Active matrix -
...) 5 ms (fast) Color depth Color gamut* Connectivity 4 ms (extreme) 16.7 million colors NTSC 72% • 2 x HDMI1.4 • 1 x Audio line out (3.5 mm jack) Border width (edge of monitor to active area) Top/Left/Right 5.4 mm Bottom 20.7 mm Adjustability Height adjustable NA stand Tilt -5° to 21° 6.0 mm 21.3 mm Swivel NA Pivot NA About your monitor | 11 Monitor specifications Model S2421H S2721H Screen type Active matrix -
Monitor Users Guide
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Electrical specifications Model Video input signals Input voltage/ frequency/ current Inrush current S2421H/S2721H • Digital video signal for each differential line Per differential line at 100 ohm impedance • HDMI signal input support 100-240 VAC / 50 or 60 Hz ± 3 Hz / 1.5 A (maximum) 120 V: 30 A (maximum) 240 V: 60 A (maximum) Speaker specifications Model Speaker rated power Frequency response Impedance S2421H/S2721H 2 x 3W 315 Hz - 12.5 kHz 4 ohm Physical characteristics Model Connector type Signal cable type Dimensions (with stand) Height Width...
Electrical specifications Model Video input signals Input voltage/ frequency/ current Inrush current S2421H/S2721H • Digital video signal for each differential line Per differential line at 100 ohm impedance • HDMI signal input support 100-240 VAC / 50 or 60 Hz ± 3 Hz / 1.5 A (maximum) 120 V: 30 A (maximum) 240 V: 60 A (maximum) Speaker specifications Model Speaker rated power Frequency response Impedance S2421H/S2721H 2 x 3W 315 Hz - 12.5 kHz 4 ohm Physical characteristics Model Connector type Signal cable type Dimensions (with stand) Height Width...
Monitor Users Guide
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... your PC, the monitor can automatically reduce its power consumption when not in your monitor | 15 The following table shows the power consumption and signaling of this automatic power saving feature. Off Less than 0.3 W (Glowing) - Inactive off mode Switch off Vertical Sync Active Inactive - Power management modes If you have VESA's DPM-compliant video card or software installed in use. Inactive off mode Switch off Vertical Sync Active Inactive - S2421H VESA Horizontal Modes Sync Normal Active operation...
... your PC, the monitor can automatically reduce its power consumption when not in your monitor | 15 The following table shows the power consumption and signaling of this automatic power saving feature. Off Less than 0.3 W (Glowing) - Inactive off mode Switch off Vertical Sync Active Inactive - Power management modes If you have VESA's DPM-compliant video card or software installed in use. Inactive off mode Switch off Vertical Sync Active Inactive - S2421H VESA Horizontal Modes Sync Normal Active operation...
Monitor Users Guide
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... pixels to help you work. Ergonomics CAUTION: Improper or prolonged usage of the screen between 20 to moisten your eyes or wet your eyes with its contrast, and brightness settings. 18 | About your eyes. 2. Set the distance of keyboard may result in front of the monitor. • Adjust the tilt of the monitor, its extended display identification data (EDID) using your computer workstation: • Position...
... pixels to help you work. Ergonomics CAUTION: Improper or prolonged usage of the screen between 20 to moisten your eyes or wet your eyes with its contrast, and brightness settings. 18 | About your eyes. 2. Set the distance of keyboard may result in front of the monitor. • Adjust the tilt of the monitor, its extended display identification data (EDID) using your computer workstation: • Position...
Monitor Users Guide
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...Guide. Yes No S2421H/S2721H 3. To unlock the Buttons, refer to lock the button(s). 1. Select one of the following message appears. Once locked, pressing any control button will display the lock icon 32 | Operating the monitor Dell 24/27 Monitor Brightness/Contrast Input Source Color Display Audio Menu Personalize Others Language Transparency Timer Lock Reset Menu Menu Buttons Power Button Menu + Power Buttons Disable 2. The following options. Select Yes to lock the Menu Buttons? Dell 24/27 Monitor Are you sure you want to lock the buttons. Using the OSD lock...
...Guide. Yes No S2421H/S2721H 3. To unlock the Buttons, refer to lock the button(s). 1. Select one of the following message appears. Once locked, pressing any control button will display the lock icon 32 | Operating the monitor Dell 24/27 Monitor Brightness/Contrast Input Source Color Display Audio Menu Personalize Others Language Transparency Timer Lock Reset Menu Menu Buttons Power Button Menu + Power Buttons Disable 2. The following options. Select Yes to lock the Menu Buttons? Dell 24/27 Monitor Are you sure you want to lock the buttons. Using the OSD lock...
Monitor Users Guide
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...Input Source Color Description Select HDMI1 input when you are using the HDMI2 connector. Use to select the HDMI input source. Select HDMI2 input when you are using the HDMI1 connector. Use to select Auto Select, the monitor scans for available input sources. Resets your monitor's Input Source settings to select the HDMI input source. Use to the factory defaults. Use the Color menu to adjust the color setting mode. Dell 24/27 Monitor Brightness/Contrast Input Source Color Display Audio Menu Personalize Others Preset Modes Input Color Format Reset Color Standard RGB...
...Input Source Color Description Select HDMI1 input when you are using the HDMI2 connector. Use to select the HDMI input source. Select HDMI2 input when you are using the HDMI1 connector. Use to select Auto Select, the monitor scans for available input sources. Resets your monitor's Input Source settings to select the HDMI input source. Use to the factory defaults. Use the Color menu to adjust the color setting mode. Dell 24/27 Monitor Brightness/Contrast Input Source Color Display Audio Menu Personalize Others Preset Modes Input Color Format Reset Color Standard RGB...
Monitor Users Guide
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..., RPG mode. Dell 24/27 Monitor Brightness/Contrast Input Source Color Display Audio 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 a computer (or DVD player) using the HDMI cable. • YPbPr: Select this option if your own preset color mode. Use or to adjust the saturation from 0 to manually adjust the color settings. Press the and buttons to the factory defaults. 40 | Operating the monitor Icon Menu and Submenus Input Color Format Description...
..., RPG mode. Dell 24/27 Monitor Brightness/Contrast Input Source Color Display Audio 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 a computer (or DVD player) using the HDMI cable. • YPbPr: Select this option if your own preset color mode. Use or to adjust the saturation from 0 to manually adjust the color settings. Press the and buttons to the factory defaults. 40 | Operating the monitor Icon Menu and Submenus Input Color Format Description...
Monitor Users Guide
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... Input Source Color Display Audio Menu Personalize Others Language Transparency Timer Lock Reset Menu Menu Buttons Power Button Menu + Power Buttons Disable Reset Menu Personalize • 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 the power light to save energy. Dell 24/27 Monitor Brightness/Contrast Input Source Color Display Audio Menu Personalize Others Shortcut Key 1 Shortcut Key 2 Power Button LED Reset Personalization Preset Modes Volume On In On Mode...
... Input Source Color Display Audio Menu Personalize Others Language Transparency Timer Lock Reset Menu Menu Buttons Power Button Menu + Power Buttons Disable Reset Menu Personalize • 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 the power light to save energy. Dell 24/27 Monitor Brightness/Contrast Input Source Color Display Audio Menu Personalize Others Shortcut Key 1 Shortcut Key 2 Power Button LED Reset Personalization Preset Modes Volume On In On Mode...
Monitor Users Guide
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... Off to factory defaults. Dell 24/27 Monitor Brightness/Contrast Input Source Color Display Audio Menu Personalize Others Display Info DDC/CI LCD Conditioning Firmware Service Tag Reset Others Factory Reset On O 00X000 ABCDEF ENERGY STAR® Display Info DDC/CI Displays the monitor's current settings. Icon Menu and Submenus Reset Personalization Others Description Restores shortcut keys to turn off this feature. Enable this option to adjust the monitor settings using software on . Dell 24/27 Monitor Brightness/Contrast Display Info Input Source DDC/CI On Color LCD...
... Off to factory defaults. Dell 24/27 Monitor Brightness/Contrast Input Source Color Display Audio Menu Personalize Others Display Info DDC/CI LCD Conditioning Firmware Service Tag Reset Others Factory Reset On O 00X000 ABCDEF ENERGY STAR® Display Info DDC/CI Displays the monitor's current settings. Icon Menu and Submenus Reset Personalization Others Description Restores shortcut keys to turn off this feature. Enable this option to adjust the monitor settings using software on . Dell 24/27 Monitor Brightness/Contrast Display Info Input Source DDC/CI On Color LCD...
Monitor Users Guide
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...-test mode, the power LED remains white. Unplug the video cable from the back of the computer. S2421H/S2721H www.dell.com/S2421H www.dell.com/S2721H S2421H/S2721H 4. Troubleshooting WARNING: Before you to check whether your monitor and reconnect the video cable; To ensure proper Self-Test operation, remove all video cables from the back of computer. 3. Turn on both your computer and the monitor. Dell 24/27 Monitor No HDMI1 Cable The display...
...-test mode, the power LED remains white. Unplug the video cable from the back of the computer. S2421H/S2721H www.dell.com/S2421H www.dell.com/S2721H S2421H/S2721H 4. Troubleshooting WARNING: Before you to check whether your monitor and reconnect the video cable; To ensure proper Self-Test operation, remove all video cables from the back of computer. 3. Turn on both your computer and the monitor. Dell 24/27 Monitor No HDMI1 Cable The display...
Monitor Users Guide
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.... Carefully inspect the screen for any screen abnormalities during the built-in diagnostics option. Press and hold Button 4 for four seconds, a menu appears on the surface of the screen changes to green, blue, black, white, and text screens. Press Button 1 on the front panel again. If your monitor screen remains blank after you use the previous procedure, check your video controller and computer, because your computer and video card. 1234 5 To...
.... Carefully inspect the screen for any screen abnormalities during the built-in diagnostics option. Press and hold Button 4 for four seconds, a menu appears on the surface of the screen changes to green, blue, black, white, and text screens. Press Button 1 on the front panel again. If your monitor screen remains blank after you use the previous procedure, check your video controller and computer, because your computer and video card. 1234 5 To...
Monitor Users Guide
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...; For more information on Dell Monitor Quality and Pixel Policy, see Dell Support site at : www.dell.com/support/monitors. LCD screen has • Cycle power On-Off. bright spots • Pixel that is permanently off is permanently off . Troubleshooting | 51 spots • Pixel that is a natural defect that can occur in the Input Source menu. Picture too dim • Reset the monitor to factory settings. No picture or no • Increase brightness and contrast controls brightness through OSD.
...; For more information on Dell Monitor Quality and Pixel Policy, see Dell Support site at : www.dell.com/support/monitors. LCD screen has • Cycle power On-Off. bright spots • Pixel that is permanently off is permanently off . Troubleshooting | 51 spots • Pixel that is a natural defect that can occur in the Input Source menu. Picture too dim • Reset the monitor to factory settings. No picture or no • Increase brightness and contrast controls brightness through OSD.
Monitor Users Guide
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Wrong Color Picture color not good • Change the settings of screen • Alternatively, use image left on the Modes). Image retention Faint shadow • Use the Power Management feature to turn from a static from the static off and is secure. • Check for appears on image displayed (for more information, see Power Management the monitor for bent or broken pins in the video cable connector. a long period of the Preset Modes in...
Wrong Color Picture color not good • Change the settings of screen • Alternatively, use image left on the Modes). Image retention Faint shadow • Use the Power Management feature to turn from a static from the static off and is secure. • Check for appears on image displayed (for more information, see Power Management the monitor for bent or broken pins in the video cable connector. a long period of the Preset Modes in...
Monitor Users Guide
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... factory settings. Cannot adjust the monitor with the buttons on the front panel OSD does not appear on the screen • Turn off the monitor, unplug the monitor power cable, plug it back, and then turn on the keyboard. • Check whether the signal cable is not in properly. Troubleshooting | 53 Connect the signal cable again, if necessary. • Reset the computer or video player. Product specific problems Problem What you experience Possible solutions Screen image is Image is white • Check...
... factory settings. Cannot adjust the monitor with the buttons on the front panel OSD does not appear on the screen • Turn off the monitor, unplug the monitor power cable, plug it back, and then turn on the keyboard. • Check whether the signal cable is not in properly. Troubleshooting | 53 Connect the signal cable again, if necessary. • Reset the computer or video player. Product specific problems Problem What you experience Possible solutions Screen image is Image is white • Check...
Monitor Display Manager Users Guide
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.... Dell S2421H - Dell 24/27 Monitor Brightness/Contrast Display Info Input Source DDC/CI On Color LCD Conditioning O Display Menu Personalize Firmware Service Tag Reset Others Others Factory Reset 4 | Overview Standard S2721H NOTE: Dell Display Manager uses DDC/CI channel to the system is enabled in the notification tray. 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. After installed, Dell...
.... Dell S2421H - Dell 24/27 Monitor Brightness/Contrast Display Info Input Source DDC/CI On Color LCD Conditioning O Display Menu Personalize Firmware Service Tag Reset Others Others Factory Reset 4 | Overview Standard S2721H NOTE: Dell Display Manager uses DDC/CI channel to the system is enabled in the notification tray. 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. After installed, Dell...
Monitor Display Manager Users Guide
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... HDMI2 S2421H Dell S2721H HDMI1 (Active) HDMI2 HDMI2 HDMI1 HDMI2 S2721H Managing Multiple Video Inputs | 15 All video input ports available to switch between them. Managing Multiple Video Inputs The Input Manager tab provides convenient ways for you to manage multiple video inputs connected to quickly switch between two inputs if you often work between inputs while you like. Please save your Dell display. You can give each input a name as you work with multiple...
... HDMI2 S2421H Dell S2721H HDMI1 (Active) HDMI2 HDMI2 HDMI1 HDMI2 S2721H Managing Multiple Video Inputs | 15 All video input ports available to switch between them. Managing Multiple Video Inputs The Input Manager tab provides convenient ways for you to manage multiple video inputs connected to quickly switch between two inputs if you often work between inputs while you like. Please save your Dell display. You can give each input a name as you work with multiple...