ST2420L - Monitor DELL - Free user manual and instructions
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| Product Type | 24-inch LED-backlit LCD monitor |
| Screen Size | 24 inches |
| Resolution | 1920 x 1080 pixels (Full HD) |
| Aspect Ratio | 16:9 |
| Brightness | 250 cd/m² |
| Contrast Ratio | 1000:1 (static), 8,000,000:1 (dynamic) |
| Response Time | 5 ms typical |
| Viewing Angle | 170° horizontal / 160° vertical |
| Connectivity | 1 x VGA, 1 x DVI-D |
| Power Consumption | 24 W typical, < 1 W standby |
| Dimensions (with stand) | 571 mm x 433 mm x 200 mm |
| Weight (with stand) | 4.5 kg |
| Stand Features | Tilt adjustment |
| Wall Mount | VESA 100 mm x 100 mm |
| Display Features | LED backlight, anti-glare coating |
| Certifications | Energy Star, EPEAT Silver |
| Maintenance | Clean with soft, dry cloth; avoid liquid cleaners |
| Security | Kensington security slot |
| Repairability | Replaceable stands and power supply; authorized Dell service centers |
| Package Contents | Monitor, VGA cable, power cord, documentation |
Frequently Asked Questions - ST2420L DELL
How do I connect my Dell ST2420L to a computer?
Use the VGA or DVI-D cable included with the monitor. Connect one end to the monitor and the other to the corresponding port on your computer. For best quality, use a DVI-D connection. Ensure both devices are off while connecting, then turn them on.
What cables are supported by the Dell ST2420L?
The monitor has VGA and DVI-D inputs. It does not have HDMI or DisplayPort. You can use a DVI-VGA adapter if needed.
Why is there no signal on my monitor?
Check that the monitor is powered on and the cable is firmly connected. Press the input select button in the OSD to choose the correct source. Verify your computer is sending a signal by connecting a different monitor or checking the display settings.
How do I adjust the resolution on Windows?
Right-click on the desktop and select Display settings. Choose the recommended resolution of 1920 x 1080. Make sure your graphics driver is up to date.
How do I clean the screen properly?
Turn off the monitor and unplug it. Use a soft microfiber cloth slightly dampened with water or a screen cleaner. Do not spray liquid directly on the screen. Gently wipe the surface in a circular motion.
Can I wall mount the Dell ST2420L?
Yes, it supports VESA 100 x 100 mm mounts. Remove the stand and screw the mount plate to the back. Use appropriate screws and ensure the wall can support the monitor's weight.
What should I do if the screen flickers?
First, check the cable connections. Try a different cable or port. Adjust the refresh rate in display settings to 60Hz. If flickering persists, try a different electrical outlet or contact Dell support.
How do I access the on-screen display (OSD)?
There are buttons on the bottom-right of the monitor. Press the button labeled with a menu icon to open the OSD. Use the arrow keys to navigate and the menu button to confirm selections.
How do I set up the monitor for the first time?
Remove all packing materials. Place the monitor on a stable surface. Attach the stand with a clicking sound. Connect the video cable and power cord. Turn on the monitor and your computer. Install drivers if prompted.
What are the energy-saving features?
The monitor meets Energy Star standards, with low power consumption of 24W typical and less than 1W in standby. It also has quick-start technology. Use the power button to turn off when not in use.
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USER MANUAL ST2420L DELL
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Product information
Brand : DELL
Model : ST2420L
Category : Monitor