Dell E2223HV User Manual

44 │ Troubleshooting
Common problems
The following table provides general information about common monitor problems
you might encounter and the possible solutions:
Common symptoms Possible solutions
No video/Power LED off • Ensure that the video cable connecting the monitor and the computer is
properly connected and secure.
• Verify that the power outlet is functioning properly using any other electrical
equipment.
• Ensure that the power button is pressed.
No video/Power LED on • Increase brightness and contrast controls using the OSD.
• Perform monitor self-test feature check.
• Check for bent or broken pins in the video cable connector.
• Run the built-in diagnostics.
Poor focus • Eliminate video extension cables.
• Reset the monitor to Factory Settings (Factory Reset).
• Change the video resolution to the correct aspect ratio.
Shaky/Jittery video • Reset the monitor to Factory Settings (Factory Reset).
• Check environmental factors.
• Relocate the monitor and test in another room.
Missing pixels • Cycle power On-off.
• Pixel that is permanently off is a natural defect that can occur in LCD
technology.
• For more information about Dell Monitor Quality and Pixel Policy, see Dell
Support site at:
www.dell.com/pixelguidelines.
Stuck-on pixels • Cycle power On-off.
• Pixel that is permanently off is a natural defect that can occur in LCD
technology.
• For more information about Dell Monitor Quality and Pixel Policy, see Dell
Support site at:
www.dell.com/pixelguidelines.
Brightness problems • Reset the monitor to Factory Settings (Factory Reset).
• Adjust brightness and contrast controls using OSD.
Geometric distortion • Reset the monitor to Factory Settings (Factory Reset).
• Adjust horizontal and vertical using OSD.
Horizontal/Vertical lines • Reset the monitor to Factory Settings (Factory Reset).
• Perform monitor self-test feature check and determine if these lines are also
in self-test mode.
• Check for bent or broken pins in the video cable connector.
• Run the built-in diagnostics.

Dell E2223HV Specifications

General

Panel type	VA
Pixel pitch	0.249 x 0.249 mm
Screen shape	Flat
Pixel density	103 ppi
Response time	12 ms
Backlight type	LED
Display diagonal	21.45 \
Heat dissipation	64.79 BTU/h
Surface hardness	3H
Anti-glare screen	Yes
Display technology	LCD
Native aspect ratio	16:9
Vertical scan range	50 - 75 Hz
Maximum refresh rate	60 Hz
Response time (fast)	8 ms
Horizontal scan range	30 - 83 kHz
Contrast ratio (typical)	3000:1
Display number of colors	16.7 million colors
Display diagonal (metric)	54.48 cm
Display brightness (typical)	250 cd/m²
LED indicators	Power
Tilt angle range	-5 - 21 °
Panel mounting interface	100 x 100 mm
Doesn't contain	PVC/BFR
Sustainability certificates	ENERGY STAR, RoHS, TCO
DisplayPorts quantity	0
AC input voltage	100 - 240 V
Power supply type	Internal
AC input frequency	50 - 60 Hz
Energy efficiency scale	A to G
Power consumption (max)	19 W
Power consumption (off)	0.3 W
Power consumption (typical)	12.13 W
Package weight	4010 g
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 %
Product color	Black
Heavy metals free	Hg (mercury)
Market positioning	Office
Cables included	AC, VGA
Harmonized System (HS) code	85285210

Weight and Dimensions

Bezel width (side)	12.8 mm
Depth (with stand)	171 mm
Width (with stand)	504.26 mm
Height (with stand)	384.17 mm
Weight (with stand)	2900 g
Bezel width (bottom)	16.9 mm
Depth (without stand)	49.64 mm
Height (without stand)	295.38 mm
Weight (without stand)	2260 g