Monitor Outline Drawing
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Outline dimension S2421H/HN/NX Outline Dimension Unit : mm(inch) Dimension : Nominal Drawing : Not to scale 1.8 [0.07] 53.8 [2.12] 14.2 [0.56] 100.0(2x) [3.94] 122.0 (2x) [4.80] 322.6 [12.70] 296.5 [11.67] 5.4 [0.21] 537.8 [21.17] 527.0 [20.75] 5.4 [0.21] 20.7 [0.82] 249.0 [9.80] 111.0 [4.37] 412.8 [16.25] 5.4 [0.21] 409.9 [16.14] 88.8 [3.50] 9.0 [0.36] Tilt Z=0 5 21 Z=34.7(1.37) Z=43.0(1.69) Z=44.0(1.73)(4x) M4x10(4x) 79.9 [3.15] 15.0 [0.59] 407.4 [16.04] 14.0 [0.55] 150.7 [5.93] 28.2 [1.11] 44.7 [1.76] 165.4 [6.51] 152.8 [6.02] 159.4 [6.28] 171.6 [6.76]
Outline dimension S2421H/HN/NX Outline Dimension Unit : mm(inch) Dimension : Nominal Drawing : Not to scale 1.8 [0.07] 53.8 [2.12] 14.2 [0.56] 100.0(2x) [3.94] 122.0 (2x) [4.80] 322.6 [12.70] 296.5 [11.67] 5.4 [0.21] 537.8 [21.17] 527.0 [20.75] 5.4 [0.21] 20.7 [0.82] 249.0 [9.80] 111.0 [4.37] 412.8 [16.25] 5.4 [0.21] 409.9 [16.14] 88.8 [3.50] 9.0 [0.36] Tilt Z=0 5 21 Z=34.7(1.37) Z=43.0(1.69) Z=44.0(1.73)(4x) M4x10(4x) 79.9 [3.15] 15.0 [0.59] 407.4 [16.04] 14.0 [0.55] 150.7 [5.93] 28.2 [1.11] 44.7 [1.76] 165.4 [6.51] 152.8 [6.02] 159.4 [6.28] 171.6 [6.76]
Monitor Quick Start Guide
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...; 21° i 1 2 © 2020 Dell Inc. or its subsidiaries. 2020-07 www.dell.com/contactdell Dell.com/S2421HN Dell.com/S2421NX Dell.com/S2721HN Dell.com/S2721NX 746.A3F01.0001 (DELL P/N: 5V1XG rev.X01) 1 2 3 3 ...4 HDMI1 HDMI2 HDMI HDMI HDMI HDMI 1 42 3 HDMI HDMI 5 6 i 5° 21° i 1 2 © 2020 Dell Inc. or its subsidiaries. 2020-07 www.dell.com/contactdell Dell.com/S2421HN Dell.com/S2421NX Dell.com/S2721HN Dell...
...; 21° i 1 2 © 2020 Dell Inc. or its subsidiaries. 2020-07 www.dell.com/contactdell Dell.com/S2421HN Dell.com/S2421NX Dell.com/S2721HN Dell.com/S2721NX 746.A3F01.0001 (DELL P/N: 5V1XG rev.X01) 1 2 3 3 ...4 HDMI1 HDMI2 HDMI HDMI HDMI HDMI 1 42 3 HDMI HDMI 5 6 i 5° 21° i 1 2 © 2020 Dell Inc. or its subsidiaries. 2020-07 www.dell.com/contactdell Dell.com/S2421HN Dell.com/S2421NX Dell.com/S2721HN Dell...
Monitor Users Guide
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All rights reserved. Dell, EMC, and other trademarks are not followed. X00 WARNING: A WARNING indicates a potential for property damage, personal injury, or death. or its subsidiaries. CAUTION: A CAUTION indicates potential damage to hardware or loss of data if instructions are trademarks of Dell Inc. Other trademarks may be trademarks of your monitor. Copyright © 2020 Dell Inc. or its subsidiaries. NOTE: A NOTE indicates important information that helps you make better use of their respective owners. 2020 - 07 Rev.
All rights reserved. Dell, EMC, and other trademarks are not followed. X00 WARNING: A WARNING indicates a potential for property damage, personal injury, or death. or its subsidiaries. CAUTION: A CAUTION indicates potential damage to hardware or loss of data if instructions are trademarks of Dell Inc. Other trademarks may be trademarks of your monitor. Copyright © 2020 Dell Inc. or its subsidiaries. NOTE: A NOTE indicates important information that helps you make better use of their respective owners. 2020 - 07 Rev.
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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... 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
... 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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For example, do not attempt to severe vibration or high impact conditions. Safety instructions | 5 For information on the liquid crystal of the display. • Do not subject the monitor to remove any cover or touch the inside a car trunk. • Unplug the monitor when it carefully. The screen is electrically rated to operate with the AC power available in your location. • Keep the monitor in exposure to shock, electrical hazards, and/or mechanical hazards. • Place the monitor on a solid surface and handle it is going to be sure that your monitor is fragile ...
For example, do not attempt to severe vibration or high impact conditions. Safety instructions | 5 For information on the liquid crystal of the display. • Do not subject the monitor to remove any cover or touch the inside a car trunk. • Unplug the monitor when it carefully. The screen is electrically rated to operate with the AC power available in your location. • Keep the monitor in exposure to shock, electrical hazards, and/or mechanical hazards. • Place the monitor on a solid surface and handle it is going to be sure that your monitor is fragile ...
Monitor Users Guide
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Some features may not be optional and may be available in certain countries. About your monitor Package contents Your monitor ships with 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. 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.
Some features may not be optional and may be available in certain countries. About your monitor Package contents Your monitor ships with 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. 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.
Monitor Users Guide
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WARNING: The possible long-term effects of blue light emission from the monitor to optimize eye comfort. HDMI cable Dell S2421HN(NX)/S2721HN(NX) 3 1 HDMI Dell S2421H/S2721H 1 1 3 HDMI 3 1 2 2 2 4 HDHMDIM1 I2 HDMHI DMI HDMI 4312 HDMI HDMI HDMI 5 6 i 5° 21...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,...
WARNING: The possible long-term effects of blue light emission from the monitor to optimize eye comfort. HDMI cable Dell S2421HN(NX)/S2721HN(NX) 3 1 HDMI Dell S2421H/S2721H 1 1 3 HDMI 3 1 2 2 2 4 HDHMDIM1 I2 HDMHI DMI HDMI 4312 HDMI HDMI HDMI 5 6 i 5° 21...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,...
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
Monitor Users Guide
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... must accept any interference received, including interference that enables Dell service technicians to contact Dell for EU Only: Raheen Business Park Limerick Ireland www.dell.com/regulatory_compliance XXXXX И005-20 DELL Flat Panel Monitor S2421HN Input Rating 100-240V ~ 50/60Hz 1.5A Made in... 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 modè...
... must accept any interference received, including interference that enables Dell service technicians to contact Dell for EU Only: Raheen Business Park Limerick Ireland www.dell.com/regulatory_compliance XXXXX И005-20 DELL Flat Panel Monitor S2421HN Input Rating 100-240V ~ 50/60Hz 1.5A Made in... 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 modè...
Monitor Users Guide
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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 monitor Connect speakers to playback audio coming through HDMI audio channel. Only two-channel audio is supported. NOTE: The audio line-out port does not support headphones. 10 | About your computer with HDMI cable. Connect your monitor). Connect the power cable (shipped with your computer with security cable lock (sold separately).
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 monitor Connect speakers to playback audio coming through HDMI audio channel. Only two-channel audio is supported. NOTE: The audio line-out port does not support headphones. 10 | About your computer with HDMI cable. Connect your monitor). Connect the power cable (shipped with your computer with security cable lock (sold separately).
Monitor Users Guide
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.../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 | 11 Monitor specifications Model S2421HN/S2421NX S2721HN/S2721NX Screen type Active matrix -
.../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 | 11 Monitor specifications Model S2421HN/S2421NX S2721HN/S2721NX Screen type Active matrix -
Monitor Users Guide
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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
Monitor Users Guide
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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...
Monitor Users Guide
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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) Height 412.8 mm (16....
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) Height 412.8 mm (16....
Monitor Users Guide
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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). ...% (non-condensing) Non-operating 5% to 90% (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...
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). ...% (non-condensing) Non-operating 5% to 90% (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 Users Guide
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... 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. S2421HN/S2421NX VESA Horizontal Vertical Modes Sync Sync Normal Active operation Active Active-off Inactive mode Inactive Switch off - - - Power Indicator White White (Glowing) 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. S2421HN/S2421NX VESA Horizontal Vertical Modes Sync Sync Normal Active operation Active Active-off Inactive mode Inactive Switch off - - - Power Indicator White White (Glowing) Off Power...
Monitor Users Guide
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... the keyboard or move the mouse to wake it up . Accordingly, the customer should not rely upon this information in the normal operation mode. S2421HN/S2421NX or Dell 27 Monitor No HDMI1 signal from your monitor | 17 If there is no display, press the monitor button again to select the correct input... and peripherals you press any button in the OSD menu. Activate the computer and the monitor to gain access to accuracy or completeness is displayed: Dell 24 Monitor No HDMI1 signal from the monitor. **Maximum power consumption with maximum luminance.
... the keyboard or move the mouse to wake it up . Accordingly, the customer should not rely upon this information in the normal operation mode. S2421HN/S2421NX or Dell 27 Monitor No HDMI1 signal from your monitor | 17 If there is no display, press the monitor button again to select the correct input... and peripherals you press any button in the OSD menu. Activate the computer and the monitor to gain access to accuracy or completeness is displayed: Dell 24 Monitor No HDMI1 signal from the monitor. **Maximum power consumption with maximum luminance.
Monitor Users Guide
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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 NOTE: Pon: Power consumption of the connected signal cable 1 TMDS DATA 2+ 2 TMDS DATA 2 SHIELD 3 TMDS DATA 2- 4 TMDS DATA 1+ 5 TMDS DATA 1 SHIELD 6 TMDS DATA 1- 7 TMDS DATA 0+ 8 TMDS DATA 0 SHIELD 9 TMDS DATA 0- 10 TMDS CLOCK+ 11 TMDS CLOCK SHIELD 12 TMDS CLOCK- 13 CEC 14 Reserved (N.C. Pin Assignments HDMI port Pin number 19-pin side of On Mode as defined in Energy Star 8.0 version. TEC: Total energy consumption in kWh...
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 NOTE: Pon: Power consumption of the connected signal cable 1 TMDS DATA 2+ 2 TMDS DATA 2 SHIELD 3 TMDS DATA 2- 4 TMDS DATA 1+ 5 TMDS DATA 1 SHIELD 6 TMDS DATA 1- 7 TMDS DATA 0+ 8 TMDS DATA 0 SHIELD 9 TMDS DATA 0- 10 TMDS CLOCK+ 11 TMDS CLOCK SHIELD 12 TMDS CLOCK- 13 CEC 14 Reserved (N.C. Pin Assignments HDMI port Pin number 19-pin side of On Mode as defined in Energy Star 8.0 version. TEC: Total energy consumption in kWh...
Monitor Users Guide
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... monitor screen is not uncommon for 20 minutes every two hours. 4. Look away from using the monitor for at : https://www.dell.com/pixelguidelines. For more information about changing the monitor settings, see Operating the monitor. Special shelves are commercially available to moisten your...the monitor, its extended display identification data (EDID) using your computer workstation: • Position your monitor | 19 Perform stretches to see Dell support site at least 20 seconds during the breaks. • Make sure that the monitor and keyboard are sitting in front of the ...
... monitor screen is not uncommon for 20 minutes every two hours. 4. Look away from using the monitor for at : https://www.dell.com/pixelguidelines. For more information about changing the monitor settings, see Operating the monitor. Special shelves are commercially available to moisten your...the monitor, its extended display identification data (EDID) using your computer workstation: • Position your monitor | 19 Perform stretches to see Dell support site at least 20 seconds during the breaks. • Make sure that the monitor and keyboard are sitting in front of the ...