Do you have a question about the Dell S2421HN and is the answer not in the manual?
Lists all components included with the monitor for setup and initial use.
Details the key capabilities, technologies, and specifications of the monitor.
Step-by-step guide to securely attach the monitor stand to the display.
Details on how to connect the monitor to a computer using HDMI cables.
Explains the function of each button on the monitor's front panel for adjustments.
Guide to navigating and using the monitor's On-Screen Display menu for adjustments.
Guide to setting the display to its optimal resolution (1920x1080) for clarity.
Procedure to test monitor functionality without a computer connection to verify basic operation.
Steps to run the monitor's internal diagnostic tools to identify screen abnormalities.
A guide to diagnosing and resolving typical monitor issues like no picture or stuck pixels.
Solutions for issues unique to this monitor model, such as aspect ratio or input signal problems.
| Pixel pitch | 0.2745 x 0.2745 mm |
|---|---|
| Screen shape | Flat |
| Pixel density | 92.56 ppi |
| Backlight type | LED |
| Display diagonal | 23.8 \ |
| Display technology | LCD |
| Native aspect ratio | 16:9 |
| Vertical scan range | 48 - 75 Hz |
| Maximum refresh rate | 75 Hz |
| Horizontal scan range | 30 - 83 kHz |
| Supported video modes | 480i, 480p, 576i, 576p, 720p, 1080i, 1080p |
| NTSC coverage (typical) | 72 % |
| Viewable size, vertical | 296.46 mm |
| Contrast ratio (typical) | 1000:1 |
| Display number of colors | 16.78 million colors |
| Viewable size, horizontal | 527.04 mm |
| Display brightness (typical) | 250 cd/m² |
| Supported graphics resolutions | 640 x 480 (VGA), 720 x 400, 800 x 600 (SVGA), 1024 x 768 (XGA), 1152 x 864 (XGA+), 1280 x 1024 (SXGA), 1600 x 900, 1920 x 1080 (HD 1080) |
| HDMI | Yes |
| Audio input | - |
| HDMI version | 1.4 |
| DisplayPorts quantity | 0 |
| Tilt angle range | -5 - 21 ° |
| Panel mounting interface | 100 x 100 mm |
| AC input voltage | 100 - 230 V |
| Power supply type | Internal |
| AC input frequency | 50 - 60 Hz |
| Energy efficiency scale | A to G |
| Power consumption (max) | 21 W |
| Annual energy consumption | 18 kWh |
| Power consumption (standby) | 0.2 W |
| Power consumption (typical) | 12.2 W |
| Operating altitude | 0 - 5000 m |
| Non-operating altitude | 0 - 12192 m |
| Storage temperature (T-T) | -20 - 60 °C |
| Operating temperature (T-T) | 0 - 40 °C |
| Storage relative humidity (H-H) | 5 - 90 % |
| Operating relative humidity (H-H) | 10 - 80 % |
| Feet color | Gray |
| Product color | Black |
| Heavy metals free | Hg (mercury) |
| Market positioning | Business |
| Sustainability certificates | RoHS, ENERGY STAR |
| Cables included | AC, HDMI |
| Package depth | 619 mm |
| Package width | 134.87 mm |
| Package height | 394.97 mm |
| Harmonized System (HS) code | 85285210 |
| Bezel width (top) | 5.4 mm |
|---|---|
| Depth (with stand) | 152.8 mm |
| Height (with stand) | 412.8 mm |
| Weight (with stand) | 3800 g |
| Bezel width (bottom) | 20.7 mm |
| Depth (without stand) | 53.8 mm |
| Width (without stand) | 537.8 mm |
| Height (without stand) | 322.6 mm |
| Weight (without stand) | 3300 g |