Monitor Users Guide
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All rights reserved. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. Copyright © 2020 Dell Inc. or its subsidiaries. or its subsidiaries. Other trademarks may be trademarks of your monitor. X00 NOTE: A NOTE indicates important information that helps you make better use of their respective owners. 2020 - 07 Rev. Dell, EMC, and other trademarks are not followed. CAUTION: A CAUTION indicates potential damage to hardware or loss of data if instructions are trademarks of Dell Inc.
All rights reserved. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. Copyright © 2020 Dell Inc. or its subsidiaries. or its subsidiaries. Other trademarks may be trademarks of your monitor. X00 NOTE: A NOTE indicates important information that helps you make better use of their respective owners. 2020 - 07 Rev. Dell, EMC, and other trademarks are not followed. CAUTION: A CAUTION indicates potential damage to hardware or loss of data if instructions are trademarks of Dell Inc.
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 13 Electrical specifications 13 Physical characteristics 14 Environmental characteristics 15 Power management modes 16 Pin Assignments 18 Plug-and-play 19 LCD monitor quality and pixel policy 19 Ergonomics 19 Handling and moving your display 21 Maintenance guidelines 22 Cleaning your monitor 22 Contents | 3
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 13 Electrical specifications 13 Physical characteristics 14 Environmental characteristics 15 Power management modes 16 Pin Assignments 18 Plug-and-play 19 LCD monitor quality and pixel policy 19 Ergonomics 19 Handling and moving your display 21 Maintenance guidelines 22 Cleaning your monitor 22 Contents | 3
Monitor Users Guide
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... Connecting the stand 23 Using the tilt 26 Connecting your monitor 27 Organizing your cables 28 Securing your monitor using Kensington lock (optional) 28 Removing the monitor stand 29 Wall mounting (Optional 30 Operating the monitor 31 Power on the monitor 31 Using the front panel controls 31 Using the OSD lock function 33 Front... Self-test 50 Built-in diagnostics 51 Common problems 52 Product specific problems 54 Appendix 55 FCC notices (U.S. only) and other regulatory information 55 Contacting Dell 55 Outline dimension 56 4 | Contents
... Connecting the stand 23 Using the tilt 26 Connecting your monitor 27 Organizing your cables 28 Securing your monitor using Kensington lock (optional) 28 Removing the monitor stand 29 Wall mounting (Optional 30 Operating the monitor 31 Power on the monitor 31 Using the front panel controls 31 Using the OSD lock function 33 Front... Self-test 50 Built-in diagnostics 51 Common problems 52 Product specific problems 54 Appendix 55 FCC notices (U.S. only) and other regulatory information 55 Contacting Dell 55 Outline dimension 56 4 | Contents
Monitor Users Guide
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... or high impact conditions. For information on the liquid crystal of the display. • Do not subject the monitor to remove any cover or touch the inside of the monitor. Safety instructions CAUTION: Use of controls, adjustments, or procedures other than those specified in this documentation may result ... conditions can be damaged if dropped or hit sharply. • Always be sure that your monitor is electrically rated to operate with the AC power available in your location. • Keep the monitor in exposure to be left unused for an extended period of time. • To avoid ...
... or high impact conditions. For information on the liquid crystal of the display. • Do not subject the monitor to remove any cover or touch the inside of the monitor. Safety instructions CAUTION: Use of controls, adjustments, or procedures other than those specified in this documentation may result ... conditions can be damaged if dropped or hit sharply. • Always be sure that your monitor is electrically rated to operate with the AC power available in your location. • Keep the monitor in exposure to be left unused for an extended period of time. • To avoid ...
Monitor Users Guide
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Some features may not be optional and may be available in certain countries. Display S2421/S2721 HN S2421/S2721 NX Stand riser S2421/S2721 HN S2421/S2721 NX Stand base S2421/S2721 HN S2421/S2721 NX VESA cover Power cable (varies by country) 6 | About your monitor. NOTE: Some components may not ship with the components shown below. Ensure that you have received all the components and see Contacting Dell if anything is missing. About your monitor Package contents Your monitor ships with your monitor
Some features may not be optional and may be available in certain countries. Display S2421/S2721 HN S2421/S2721 NX Stand riser S2421/S2721 HN S2421/S2721 NX Stand base S2421/S2721 HN S2421/S2721 NX VESA cover Power cable (varies by country) 6 | About your monitor. NOTE: Some components may not ship with the components shown below. Ensure that you have received all the components and see Contacting Dell if anything is missing. About your monitor Package contents Your monitor ships with your monitor
Monitor Users Guide
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... screen. or its subsidiaries. 2020-07 6 2 i i 5° 21° www.dell.com/contactdell Dell.com/S2421HN/NX Dell.com/S2721HN/NX 746.A3E01.0001 (DELL P/N: PNF73 rev.X01) • Quick Setup Guide • Safety, Environmental, and Regulatory Information Product features The Dell S2421HN/S2421NX/S2721HN/S2721NX monitor has an active matrix, Thin Film Transistor (TFT), Liquid Crystal Display...
... screen. or its subsidiaries. 2020-07 6 2 i i 5° 21° www.dell.com/contactdell Dell.com/S2421HN/NX Dell.com/S2721HN/NX 746.A3E01.0001 (DELL P/N: PNF73 rev.X01) • Quick Setup Guide • Safety, Environmental, and Regulatory Information Product features The Dell S2421HN/S2421NX/S2721HN/S2721NX monitor has an active matrix, Thin Film Transistor (TFT), Liquid Crystal Display...
Monitor Users Guide
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Identifying parts and controls Front view 1 2 S2421HN/S2721HN 1 2 S2421NX/S2721NX Label Description 1 Function buttons 2 Power on/off button (with LED indicator) Use For more information, see Operating the monitor To turn the monitor on or off. 8 | About your monitor
Identifying parts and controls Front view 1 2 S2421HN/S2721HN 1 2 S2421NX/S2721NX Label Description 1 Function buttons 2 Power on/off button (with LED indicator) Use For more information, see Operating the monitor To turn the monitor on or off. 8 | About your monitor
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... energía en operación: XX.XX Wh X,XXX Вт/см2 X,XX X,XX Вт Apparatet må tilkoples jordet stikkontakt. Back view 1 2 3 4 DELL S2421HN Flat Panel Monitor / Monitor Plano Panel / Moniteur à écran plat Model No. / N° de Modelo / Numéro de modèle /型號: S2421Ht Input Rating...
... energía en operación: XX.XX Wh X,XXX Вт/см2 X,XX X,XX Вт Apparatet må tilkoples jordet stikkontakt. Back view 1 2 3 4 DELL S2421HN Flat Panel Monitor / Monitor Plano Panel / Moniteur à écran plat Model No. / N° de Modelo / Numéro de modèle /型號: S2421Ht Input Rating...
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Connect the power cable (shipped with HDMI cable. Connect speakers to playback audio coming through HDMI audio channel. NOTE: The audio line-out port does not support headphones. 10 | About your monitor). Connect your computer with your monitor Only two-channel audio is supported. Bottom view 12 3 45 S2421HN/S2721HN Label Description 1 Security lock slot 2 Power connector 3 HDMI port 1 4 HDMI port 2 5 Audio Line-out port 12 3 45 S2421NX/S2721NX Use Secures monitor with HDMI cable. Connect your computer with security cable lock (sold separately).
Connect the power cable (shipped with HDMI cable. Connect speakers to playback audio coming through HDMI audio channel. NOTE: The audio line-out port does not support headphones. 10 | About your monitor). Connect your computer with your monitor Only two-channel audio is supported. Bottom view 12 3 45 S2421HN/S2721HN Label Description 1 Security lock slot 2 Power connector 3 HDMI port 1 4 HDMI port 2 5 Audio Line-out port 12 3 45 S2421NX/S2721NX Use Secures monitor with HDMI cable. Connect your computer with security cable lock (sold separately).
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Monitor specifications Model S2421HN/S2421NX S2721HN/S2721NX Screen type Active matrix - TFT LCD Panel Type In-plane switching Technology Aspect ratio 16:9 Viewable image dimensions Diagonal 60.45 cm (... (fast) 4 ms (extreme) Color depth 16.7 million colors Color gamut* NTSC 72% Connectivity • 2 x HDMI 1.4 • 1 x Audio line-out(3.5 mm jack) Border width (edge of monitor to active area) Top/Left/Right 5.4 mm 6.0 mm Bottom 20.7 mm 21.3 mm Adjustability Height adjustable NA stand Tilt -5° to 21° About your...
Monitor specifications Model S2421HN/S2421NX S2721HN/S2721NX Screen type Active matrix - TFT LCD Panel Type In-plane switching Technology Aspect ratio 16:9 Viewable image dimensions Diagonal 60.45 cm (... (fast) 4 ms (extreme) Color depth 16.7 million colors Color gamut* NTSC 72% Connectivity • 2 x HDMI 1.4 • 1 x Audio line-out(3.5 mm jack) Border width (edge of monitor to active area) Top/Left/Right 5.4 mm 6.0 mm Bottom 20.7 mm 21.3 mm Adjustability Height adjustable NA stand Tilt -5° to 21° About your...
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Swivel NA Pivot NA Cable management Yes Dell Display Manager Easy Arrange and other key features (DDM)Compatibility Security Security lock slot (cable lock sold separately) * At panel native resolution only, under Custom Mode preset. Resolution specifications Model Horizontal scan range Vertical scan range Maximum preset resolution Video display capabilities (HDMI playback) S2421HN/S2421NX/S2721HN/S2721NX 30 kHz to 83 kHz 48 Hz to 75 Hz 1920 x 1080 at 60 Hz 480i, 480p, 576i, 576p, 720p, 1080i, 1080p 12 | About your monitor
Swivel NA Pivot NA Cable management Yes Dell Display Manager Easy Arrange and other key features (DDM)Compatibility Security Security lock slot (cable lock sold separately) * At panel native resolution only, under Custom Mode preset. Resolution specifications Model Horizontal scan range Vertical scan range Maximum preset resolution Video display capabilities (HDMI playback) S2421HN/S2421NX/S2721HN/S2721NX 30 kHz to 83 kHz 48 Hz to 75 Hz 1920 x 1080 at 60 Hz 480i, 480p, 576i, 576p, 720p, 1080i, 1080p 12 | About your monitor
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Preset display modes S2421HN/S2421NX/S2721HN/S2721NX Display Mode Horizontal Frequency (kHz) VGA, 720 x 400 31.5 VGA, 640 x 480 31.5 VESA, 640 x 480 37.5 VESA, 800 x 600 37.9 VESA, ....0 49.5 65.0 78.8 108.0 108.0 135.0 108.0 148.5 174.5 Sync Polarity (Horizontal/ Vertical) Electrical specifications Model Video input signals Input voltage/ frequency/ current Inrush current S2421HN/S2421NX/S2721HN/S2721NX • Digital video signal for each differential line Per differential line at 100 ohm impedance • HDMI signal input support 100-240...
Preset display modes S2421HN/S2421NX/S2721HN/S2721NX Display Mode Horizontal Frequency (kHz) VGA, 720 x 400 31.5 VGA, 640 x 480 31.5 VESA, 640 x 480 37.5 VESA, 800 x 600 37.9 VESA, ....0 49.5 65.0 78.8 108.0 108.0 135.0 108.0 148.5 174.5 Sync Polarity (Horizontal/ Vertical) Electrical specifications Model Video input signals Input voltage/ frequency/ current Inrush current S2421HN/S2421NX/S2721HN/S2721NX • Digital video signal for each differential line Per differential line at 100 ohm impedance • HDMI signal input support 100-240...
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... (21.17 in.) Depth 152.8 mm (6.02 in.) Dimensions (without stand assembly 3.3 kg (7.28 lb.) (For wall mount or VESA mount considerations - Physical characteristics Model S2421HN/S2421NX S2721HN/S2721NX Connector type • 2 x HDMI1.4 ports • 1 x Audio line-out port Signal cable type 1.8 m HDMI1.4 cable Dimensions (with stand assembly and 4.1 kg (9.04....0 mm (9.80 in.) Depth 152.8 mm (6.02 in .) 7.6 kg (16.76 lb.) 5.2 kg (11.46 lb) 4.3 kg (9.48 lb.) 0.7 kg (1.54 lb.) 14 | About your monitor
... (21.17 in.) Depth 152.8 mm (6.02 in.) Dimensions (without stand assembly 3.3 kg (7.28 lb.) (For wall mount or VESA mount considerations - Physical characteristics Model S2421HN/S2421NX S2721HN/S2721NX Connector type • 2 x HDMI1.4 ports • 1 x Audio line-out port Signal cable type 1.8 m HDMI1.4 cable Dimensions (with stand assembly and 4.1 kg (9.04....0 mm (9.80 in.) Depth 152.8 mm (6.02 in .) 7.6 kg (16.76 lb.) 5.2 kg (11.46 lb) 4.3 kg (9.48 lb.) 0.7 kg (1.54 lb.) 14 | About your monitor
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...non-condensing) Altitude Operating (maximum) 5,000 m (16,404 ft.) Non-operating (maximum) 12,192 m (40,000 ft.) Thermal dissipation S2421HN/S2421NX 71.65 BTU/hour (maximum) 54.59 BTU/hour (typical) S2721HN/S2721NX 98.95 BTU/hour (maximum) 64.83 BTU/hour (...typical) About your monitor | 15 Environmental characteristics Model S2421HN/S2421NX/S2721HN/S2721NX Compliant Standards • ENERGY STAR certified Monitor. • TCO Certified Display. • RoHS Compliant. • BFR/PVC Reduce monitor (excluding external cables). • Arsenic-Free glass...
...non-condensing) Altitude Operating (maximum) 5,000 m (16,404 ft.) Non-operating (maximum) 12,192 m (40,000 ft.) Thermal dissipation S2421HN/S2421NX 71.65 BTU/hour (maximum) 54.59 BTU/hour (typical) S2721HN/S2721NX 98.95 BTU/hour (maximum) 64.83 BTU/hour (...typical) About your monitor | 15 Environmental characteristics Model S2421HN/S2421NX/S2721HN/S2721NX Compliant Standards • ENERGY STAR certified Monitor. • TCO Certified Display. • RoHS Compliant. • BFR/PVC Reduce monitor (excluding external cables). • Arsenic-Free glass...
Monitor Users Guide
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S2421HN/S2421NX VESA Horizontal Vertical Modes Sync Sync Normal Active operation Active Active-off Inactive mode Inactive Switch off - - - This is referred to as standby mode*. If the computer detects input from the keyboard, mouse, or other input devices, the monitor automatically resumes functioning....) Off Power Consumption 21 W (maximum)** 16 W (typical) Less than 0.3 W Less than 0.3 W 16 | About your PC, the monitor can automatically reduce its power consumption when not in use. Power management modes If you have VESA's DPM-compliant video card or software installed in...
S2421HN/S2421NX VESA Horizontal Vertical Modes Sync Sync Normal Active operation Active Active-off Inactive mode Inactive Switch off - - - This is referred to as standby mode*. If the computer detects input from the keyboard, mouse, or other input devices, the monitor automatically resumes functioning....) Off Power Consumption 21 W (maximum)** 16 W (typical) Less than 0.3 W Less than 0.3 W 16 | About your PC, the monitor can automatically reduce its power consumption when not in use. Power management modes If you have VESA's DPM-compliant video card or software installed in...
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... luminance. NOTE: This monitor is expressed or implied. No warranty as to update such information. Press any key on the keyboard or move the mouse to the OSD. This document is no display, press the monitor button again to wake it up . S2421HN/S2421NX or Dell 27 Monitor No HDMI1 signal from ...your monitor | 17 About your device. Press any key on the keyboard or move the mouse to select the...
... luminance. NOTE: This monitor is expressed or implied. No warranty as to update such information. Press any key on the keyboard or move the mouse to the OSD. This document is no display, press the monitor button again to wake it up . S2421HN/S2421NX or Dell 27 Monitor No HDMI1 signal from ...your monitor | 17 About your device. Press any key on the keyboard or move the mouse to select the...
Monitor Users Guide
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... Star 8.0 version. on device) 15 DDC CLOCK (SCL) 16 DDC DATA (SDA) 17 DDC/CEC Ground 18 +5 V POWER 19 HOT PLUG DETECT 18 | About your monitor Pin Assignments HDMI port Pin number 19-pin side of On Mode as defined in Energy Star 8.0 version.
... Star 8.0 version. on device) 15 DDC CLOCK (SCL) 16 DDC DATA (SDA) 17 DDC/CEC Ground 18 +5 V POWER 19 HOT PLUG DETECT 18 | About your monitor Pin Assignments HDMI port Pin number 19-pin side of On Mode as defined in Energy Star 8.0 version.
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...and efficiency, observe the following guidelines when setting up and using your computer workstation: • Position your computer so that the monitor screen is not uncommon for one or more pixels to become fixed in an unchanging state which are commercially available to : 1....and-play You can select different settings if desired. LCD monitor quality and pixel policy During the LCD monitor manufacturing process, it is at : https://www.dell.com/pixelguidelines. For more information about changing the monitor settings, see Dell support site at eye level or slightly lower when you work...
...and efficiency, observe the following guidelines when setting up and using your computer workstation: • Position your computer so that the monitor screen is not uncommon for one or more pixels to become fixed in an unchanging state which are commercially available to : 1....and-play You can select different settings if desired. LCD monitor quality and pixel policy During the LCD monitor manufacturing process, it is at : https://www.dell.com/pixelguidelines. For more information about changing the monitor settings, see Dell support site at eye level or slightly lower when you work...
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... work so that you (such as overhead lights, desk lamps, and the curtains or blinds on nearby windows) to minimize reflections and glare on the monitor screen. • Use a chair that provides good lower-back support. • Keep your forearms horizontal with your wrists in front of the user feet at... of obstructions and cables or power cords that the weight of your legs is on your feet and not on the oor 20 | About your monitor Try to rest your hands while using the keyboard or mouse. • Always leave space to stand or get up and walk around you do...
... work so that you (such as overhead lights, desk lamps, and the curtains or blinds on nearby windows) to minimize reflections and glare on the monitor screen. • Use a chair that provides good lower-back support. • Keep your forearms horizontal with your wrists in front of the user feet at... of obstructions and cables or power cords that the weight of your legs is on your feet and not on the oor 20 | About your monitor Try to rest your hands while using the keyboard or mouse. • Always leave space to stand or get up and walk around you do...
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...moving it, follow the guidelines mentioned below: • Before moving or lifting the monitor, turn off your monitor | 21 About your computer and the monitor. • Disconnect all cables from the monitor. • Place the monitor in the original box with the original packing materials. • Hold the bottom ...edge and the side of the monitor firmly without applying excessive pressure when lifting or moving the monitor. • When lifting or moving the monitor, ensure the screen is facing away from you and do not press on the ...
...moving it, follow the guidelines mentioned below: • Before moving or lifting the monitor, turn off your monitor | 21 About your computer and the monitor. • Disconnect all cables from the monitor. • Place the monitor in the original box with the original packing materials. • Hold the bottom ...edge and the side of the monitor firmly without applying excessive pressure when lifting or moving the monitor. • When lifting or moving the monitor, ensure the screen is facing away from you and do not press on the ...