Monitor Users Guide
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Copyright © 2020 Dell Inc. Dell, EMC, and other trademarks are not followed. A00 or its subsidiaries. NOTE: A NOTE indicates important information that helps you make better use of their respective owners. 2020 - 07 Rev. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. or its subsidiaries. All rights reserved. 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. Dell, EMC, and other trademarks are not followed. A00 or its subsidiaries. NOTE: A NOTE indicates important information that helps you make better use of their respective owners. 2020 - 07 Rev. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. or its subsidiaries. All rights reserved. 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.
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...
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 Users Guide
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... 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... Self-test 49 Built-in diagnostics 50 Common problems 51 Product specific problems 53 Appendix 54 FCC notices (U.S. only) and other regulatory information 54 Contacting Dell 54 Outline dimension 55 4 | Contents
... 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... Self-test 49 Built-in diagnostics 50 Common problems 51 Product specific problems 53 Appendix 54 FCC notices (U.S. only) and other regulatory information 54 Contacting Dell 54 Outline dimension 55 4 | Contents
Monitor Users Guide
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... hit sharply. • Always be left unused for an extended period of time. • To avoid electric shock, do not place the monitor inside of the monitor. For example, do not attempt to remove any cover or touch the inside a car trunk. • Unplug the... fragile and can have an adverse effect on the liquid crystal of the display. • Do not subject the monitor to shock, electrical hazards, and/or mechanical hazards. • Place the monitor on safety instructions, see the Safety, Environmental, and Regulatory Information (SERI). Safety instructions CAUTION: Use of controls, ...
... hit sharply. • Always be left unused for an extended period of time. • To avoid electric shock, do not place the monitor inside of the monitor. For example, do not attempt to remove any cover or touch the inside a car trunk. • Unplug the... fragile and can have an adverse effect on the liquid crystal of the display. • Do not subject the monitor to shock, electrical hazards, and/or mechanical hazards. • Place the monitor on safety instructions, see the Safety, Environmental, and Regulatory Information (SERI). Safety instructions CAUTION: Use of controls, ...
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Ensure that you have received all the components and see Contacting Dell if anything is missing. Some features may not ship with the components shown below. NOTE: Some components may be optional and may not be available in certain countries. Display Stand riser Stand base VESA cover Power cable (varies by country) 6 | About your monitor. About your monitor Package contents Your monitor ships with your monitor
Ensure that you have received all the components and see Contacting Dell if anything is missing. Some features may not ship with the components shown below. NOTE: Some components may be optional and may not be available in certain countries. Display Stand riser Stand base VESA cover Power cable (varies by country) 6 | About your monitor. About your monitor Package contents Your monitor ships with your monitor
Monitor Users Guide
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... viewing experience. • Extensive digital connectivity with HDMI helps future-proof your monitor. • Plug and play capability if supported by your monitor | 7 or its subsidiaries. 2020-07 6 2 i i 5° 21° www.dell.com/contactdell Dell.com/S2421H Dell.com/S2721H 746.A3E01.0001 (DELL P/N: PNF73 rev.X00) • Quick Setup Guide • Safety, Environmental, and Regulatory...
... viewing experience. • Extensive digital connectivity with HDMI helps future-proof your monitor. • Plug and play capability if supported by your monitor | 7 or its subsidiaries. 2020-07 6 2 i i 5° 21° www.dell.com/contactdell Dell.com/S2421H Dell.com/S2721H 746.A3E01.0001 (DELL P/N: PNF73 rev.X00) • Quick Setup Guide • Safety, Environmental, and Regulatory...
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Identifying parts and controls Front view Label 1 2 Description Function buttons Power on/off button (with LED indicator) 1 2 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 Label 1 2 Description Function buttons Power on/off button (with LED indicator) 1 2 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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...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... harmful interference, and (2) this label if you need to contact Tag label 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 China Manufactured ...
...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... harmful interference, and (2) this label if you need to contact Tag label 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 China Manufactured ...
Monitor Users Guide
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...-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. Secures monitor with your monitor Connect speakers to playback audio through HDMI audio channel. Provides audio output. 10 | About your...
...-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. Secures monitor with your monitor Connect speakers to playback audio through HDMI audio channel. Provides audio output. 10 | About your...
Monitor Users Guide
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Monitor specifications Model S2421H S2721H Screen type Active matrix - TFT LCD Panel Type In-plane switching Technology Aspect ratio 16:9 Viewable image dimensions Diagonal 60.45 cm (23.8 in.) 68.6 ... (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...
Monitor specifications Model S2421H S2721H Screen type Active matrix - TFT LCD Panel Type In-plane switching Technology Aspect ratio 16:9 Viewable image dimensions Diagonal 60.45 cm (23.8 in.) 68.6 ... (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...
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... kHz to 83 kHz 48 Hz to 75 Hz 1920 x 1080 at 60 Hz 480i, 480p, 576i, 576p, 720p, 1080i, 1080p Preset display modes S2421H/S2721H 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,... (MHz) 28.3 25.2 31.5 40.0 49.5 65.0 78.8 108.0 108.0 135.0 108.0 148.5 174.5 Sync Polarity (Horizontal/ Vertical) 12 | About your monitor Cable management Dell Display Manager (DDM)Compatibility Security Yes Easy Arrange and other key features Security lock slot (cable lock sold separately) * At panel native resolution only...
... kHz to 83 kHz 48 Hz to 75 Hz 1920 x 1080 at 60 Hz 480i, 480p, 576i, 576p, 720p, 1080i, 1080p Preset display modes S2421H/S2721H 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,... (MHz) 28.3 25.2 31.5 40.0 49.5 65.0 78.8 108.0 108.0 135.0 108.0 148.5 174.5 Sync Polarity (Horizontal/ Vertical) 12 | About your monitor Cable management Dell Display Manager (DDM)Compatibility Security Yes Easy Arrange and other key features Security lock slot (cable lock sold separately) * At panel native resolution only...
Monitor Users Guide
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...Video input signals Input voltage/ frequency/ current Inrush current S2421H/S2721H • Digital video signal for each differential line Per ... (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 ....) 53.8 mm (2.12 in.) 171.6 mm (6.76 in.) 249.0 mm (9.80 in.) 152.8 mm (6.02 in.) S2721H 453.3 mm (17.85 in.) 609.9 mm (24.01 in.) 186.8 mm (7.35 in.) 363.6 mm (14.32...
...Video input signals Input voltage/ frequency/ current Inrush current S2421H/S2721H • Digital video signal for each differential line Per ... (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 ....) 53.8 mm (2.12 in.) 171.6 mm (6.76 in.) 249.0 mm (9.80 in.) 152.8 mm (6.02 in.) S2721H 453.3 mm (17.85 in.) 609.9 mm (24.01 in.) 186.8 mm (7.35 in.) 363.6 mm (14.32...
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....) 5.4 kg (11.9 lb.) 4.4 kg (9.7 lb.) 0.7 kg (1.54 lb.) Model S2421H/S2721H Compliant Standards • ENERGY STAR certified Monitor. • TCO Certified Display. • RoHS Compliant. • BFR/PVC Reduce monitor (excluding external cables). • Arsenic-Free glass and Mercury-Free for the panel only. Temperature ... Altitude Operating (maximum) 5,000 m (16,404 ft) Non-operating (maximum) 12,192 m (40,000 ft) Thermal dissipation S2421H S2721H 102.36 BTU/hour (maximum) 68.24 BTU/hour (typical) 139.90 BTU/hour (maximum) 71.65 BTU/hour (typical) 14 | About your...
....) 5.4 kg (11.9 lb.) 4.4 kg (9.7 lb.) 0.7 kg (1.54 lb.) Model S2421H/S2721H Compliant Standards • ENERGY STAR certified Monitor. • TCO Certified Display. • RoHS Compliant. • BFR/PVC Reduce monitor (excluding external cables). • Arsenic-Free glass and Mercury-Free for the panel only. Temperature ... Altitude Operating (maximum) 5,000 m (16,404 ft) Non-operating (maximum) 12,192 m (40,000 ft) Thermal dissipation S2421H S2721H 102.36 BTU/hour (maximum) 68.24 BTU/hour (typical) 139.90 BTU/hour (maximum) 71.65 BTU/hour (typical) 14 | About your...
Monitor Users Guide
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...input from the keyboard, mouse, or other input devices, the monitor automatically resumes functioning. This is referred to as standby mode*. ... Consumption Pon 14.64 W Total Energy Consumption (TEC) 46.14 kWh About your PC, the monitor can automatically reduce its power consumption when not in use. S2421H VESA Horizontal Modes Sync Normal Active ... Active Inactive - Power management modes If you have VESA's DPM-compliant video card or software installed in your monitor | 15 Off Less than 0.3 W (Glowing) - Video Power Indicator Power Consumption Active White 41 W ...
...input from the keyboard, mouse, or other input devices, the monitor automatically resumes functioning. This is referred to as standby mode*. ... Consumption Pon 14.64 W Total Energy Consumption (TEC) 46.14 kWh About your PC, the monitor can automatically reduce its power consumption when not in use. S2421H VESA Horizontal Modes Sync Normal Active ... Active Inactive - Power management modes If you have VESA's DPM-compliant video card or software installed in your monitor | 15 Off Less than 0.3 W (Glowing) - Video Power Indicator Power Consumption Active White 41 W ...
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Press any button in the active-off mode, the following message is displayed: Dell 24/27 Monitor No HDMI1 signal from the monitor. **Maximum power consumption with maximum luminance. Your product may increase power consumption that could exceed the ENERGY STAR specified limit. TEC: Total ... no obligation to select the correct input source. If there is ENERGY STAR certified. Activate the computer and the monitor to gain access to wake it up. S2421H/S2721H *Zero power consumption in OFF mode can be achieved by "Factory Reset" function in the factory default settings which can...
Press any button in the active-off mode, the following message is displayed: Dell 24/27 Monitor No HDMI1 signal from the monitor. **Maximum power consumption with maximum luminance. Your product may increase power consumption that could exceed the ENERGY STAR specified limit. TEC: Total ... no obligation to select the correct input source. If there is ENERGY STAR certified. Activate the computer and the monitor to gain access to wake it up. S2421H/S2721H *Zero power consumption in OFF mode can be achieved by "Factory Reset" function in the factory default settings which can...
Monitor Users Guide
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Pin assignments HDMI port Pin number 19-pin side 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. on device) 15 DDC CLOCK (SCL) 16 DDC DATA (SDA) 17 DDC/CEC Ground 18 +5 V POWER 19 HOT PLUG DETECT About your monitor | 17
Pin assignments HDMI port Pin number 19-pin side 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. on device) 15 DDC CLOCK (SCL) 16 DDC DATA (SDA) 17 DDC/CEC Ground 18 +5 V POWER 19 HOT PLUG DETECT About your monitor | 17
Monitor Users Guide
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...as you can select different settings if desired. For more information on LCD Monitor Pixel Policy, see Dell support site at least 20 seconds during the breaks. • Make sure that the monitor and keyboard are directly in an unchanging state which are commercially available to ... observe the following guidelines when setting up and using the monitor for at : https://www.dell.com/pixelguidelines. For more pixels to see Operating the Monitor. Special shelves are hard to become fixed in front of the monitor. 3. Take regular and frequent breaks for extended periods of...
...as you can select different settings if desired. For more information on LCD Monitor Pixel Policy, see Dell support site at least 20 seconds during the breaks. • Make sure that the monitor and keyboard are directly in an unchanging state which are commercially available to ... observe the following guidelines when setting up and using the monitor for at : https://www.dell.com/pixelguidelines. For more pixels to see Operating the Monitor. Special shelves are hard to become fixed in front of the monitor. 3. Take regular and frequent breaks for extended periods of...
Monitor Users Guide
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...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 comfortable seating or present a... potential trip hazard. Adjust your monitor | 19 monitor screen at or below eye level wrists relaxed and at monitor and keyboard positioned directly in a neutral, comfortable position while using the keyboard or mouse. • ...
...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 comfortable seating or present a... potential trip hazard. Adjust your monitor | 19 monitor screen at or below eye level wrists relaxed and at monitor and keyboard positioned directly in a neutral, comfortable position while using the keyboard or mouse. • ...
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...lifting or moving it, follow the guidelines mentioned below: • Before moving or lifting the monitor, turn off 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 display...
...lifting or moving it, follow the guidelines mentioned below: • Before moving or lifting the monitor, turn off 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 display...
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... guidelines Cleaning your anti-static screen, lightly dampen a soft, clean cloth with care as some detergents leave a milky film on your monitor, use . About your monitor | 21 If possible, use benzene, thinner, ammonia, abrasive cleaners, or compressed air. • Use a lightly-dampened, warm cloth to the... monitor or cause personal injury. Do not use a special screen-cleaning tissue or solution suitable for the antistatic coating. This may get scratched...
... guidelines Cleaning your anti-static screen, lightly dampen a soft, clean cloth with care as some detergents leave a milky film on your monitor, use . About your monitor | 21 If possible, use benzene, thinner, ammonia, abrasive cleaners, or compressed air. • Use a lightly-dampened, warm cloth to the... monitor or cause personal injury. Do not use a special screen-cleaning tissue or solution suitable for the antistatic coating. This may get scratched...