Dell ST2420L User Manual

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Setting Up Your Monitor
Dell™ ST2420L/ST2421L monitor
If you have a non Dell™ desktop, portable computer, or graphics card
In Windows XP:
1. Right-click on the desktop and click Properties.
2. Select the Settings tab.
3. Select Advanced.
4. Identify your graphics controller supplier from the description at the top of the window (e.g. NVIDIA, ATI, Intel etc.).
5. Please refer to the graphics card provider website for updated driver (for example, http://www.ATI.com
OR http://www.NVIDIA.com ).
6. After installing the drivers for your Graphics Adapter, attempt to set the resolution to 1920x1080 again.
In Windows Vista
®
or Windows 7:
1. Right-click on the desktop and click Personalization.
2. Click Change Display Settings.
3. Click Advanced Settings.
4. Identify your graphics controller supplier from the description at the top of the window (e.g. NVIDIA, ATI, Intel etc.).
5. Please refer to the graphics card provider website for updated driver (for example, http://www.ATI.com
OR http://www.NVIDIA.com ).
6. After installing the drivers for your Graphics Adapter, attempt to set the resolution to 1920x1080 again.
NOTE: If you are unable to set the resolution to 1920x1080 , please contact the manufacturer of your computer or consider purchasing a graphics
adapter that will support the video resolution of 1920x1080 .
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Dell ST2420L Specifications

General

Pixel pitch	0.227 x 0.227 mm
Aspect ratio	16:9
Display diagonal	24 \
Display refresh rates	60Hz
Viewing angle, vertical	160 °
Contrast ratio (dynamic)	8000000:1
Viewing angle, horizontal	170 °
Display brightness (typical)	250 cd/m²
HDCP	Yes
DVI-I ports quantity	0
Weight (imperial)	9.46 lbs
Power requirements	100 - 240V, 50/60Hz + 3Hz
Package weight (imperial)	12.65 lbs
Input current	2 A
AC input voltage	100 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (max)	30 W
Power consumption (off)	0.5 W
Power consumption (standby)	1 W
Power consumption (typical)	20 W
Product color	Black
Market positioning	Business
LED indicators	Stand-by
Cable lock slot type	Kensington
Panel mounting interface	- mm
Package weight	5750 g
Sustainability certificates	ENERGY STAR
Storage temperature (T-T)	-20 - 60 °C
Operating temperature (T-T)	0 - 40 °C
Storage relative humidity (H-H)	5 - 90 %
Non-operating relative humidity (non-condensing)	10 - 80 %

Weight and Dimensions

Depth (without stand)	203.6 mm
Width (without stand)	574.9 mm
Height (without stand)	418.2 mm
Weight (without stand)	4290 g