Dell C6522QT User Manual

Troubleshooting | 65
Common problems
The following table contains general information about common display problems you
might encounter and the possible solutions:
Common
Symptoms
What You
Experience
Possible Solutions
No Video/
Power LED off
No picture • Ensure that the video cable connecting the
display 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 depressed
fully.
• Ensure that the correct input source is selected
in the Input Source menu.
No Video/
Power LED on
No picture or no
brightness
• Increase brightness & contrast controls via
OSD.
• Perform display self-test feature check.
• Check for bent or broken pins in the video
cable connector.
• Run the built-in diagnostics.
• Ensure that the correct input source is selected
in the Input Source menu.
Poor Focus Picture is
fuzzy, blurry, or
ghosting
• Eliminate video extension cables.
• Reset the display to factory settings.
• Change the video resolution to the correct
aspect ratio.
Shaky/Jittery
Video
Wavy picture or
fine movement
• Reset the display to factory settings.
• Check environmental factors.
• Relocate the display and test in another room.
Missing Pixels LCD screen has
spots
• Cycle power on-o.
• Pixel that is permanently o is a natural defect
that can occur in LCD technology.
• For more information on Dell Display Quality
and Pixel Policy, see Dell Support site at:
http://www.dell.com/support/monitors.

Dell C6522QT Specifications

General

Color gamut	72 %
Pixel pitch	0.372 x 0.372 mm
Response time	9 ms
Display diagonal	64.53 \
Display brightness	350 cd/m²
Display technology	LCD
Native aspect ratio	16:9
Native refresh rate	60 Hz
Vertical scan range	24 - 75 Hz
Horizontal scan range	30 - 140 kHz
Contrast ratio (typical)	1300:1
Display number of colors	1.073 billion colors
Display diagonal (metric)	163.906 cm
Active display area (W x H)	1428.5 x 803.5 mm
Number of simultaneous touchpoints	20
DVI port	No
USB version	3.2 Gen 1 (3.1 Gen 1)
USB connector type	USB Type-C
USB ports quantity	8
HDMI ports quantity	3
VGA (D-Sub) input ports	0
Orientation	Horizontal
Product color	Black
Product design	Interactive flat panel
Bezel width (top)	44.7 mm
Placement supported	Indoor
Panel mounting interface	400 x 400 mm
RMS rated power	40 W
Speaker impedance	8 Ω
Speaker frequency range	120 - 20000 Hz
Number of built-in speakers	2
Purpose	Corporate
AC input voltage	100 - 240 V
Heat dissipation	316.99 BTU/h
AC input frequency	50 - 60 Hz
Power consumption (max)	350 W
Power consumption (standby)	0.3 W
Power consumption (typical)	92.9 W
Package weight	55500 g
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 %
Harmonized System (HS) code	85285210

Weight and Dimensions

Depth	78.7 mm
Width	1517.88 mm
Height	892.92 mm
Weight	45200 g
Display width	- mm
Display weight	- g