Dell C5522QT User Manual

62 | Troubleshooting
Troubleshooting
WARNING: Before you begin any of the procedures in this section, follow
the Safety Instructions.
Self-Test
Your display provides a self-test feature that allows you to check whether your display
is functioning properly. If your display and computer are properly connected but the
display screen remains dark, run the display self-test by performing the following steps:
1. Turn o both your computer and the display.
2. Unplug the video cable from the back of the computer. To ensure proper Self-Test
operation, remove all digital and the analog cables from the back of computer.
3. Turn on the display.
The floating dialog box should appear on-screen (against a black background), if the
display cannot sense a video signal and is working correctly. While in self-test mode,
the power LED remains white. Also, depending upon the selected input, one of the
dialogs shown below will continuously scroll through the screen.
Dell 55 Monitor
No HDMI 1 Cable
The display will go into Standby Mode in 4 minutes.
www.dell.com/C5522QT
C5522QT
or
Dell 55 Monitor
No HDMI 2 Cable
www.dell.com/C5522QT
C5522QT
The display will go into Standby Mode in 4 minutes.

Dell C5522QT Specifications

General

Color gamut	72 %
Pixel pitch	0.315 x 0.315 mm
Response time	9 ms
Display diagonal	55 \
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)	138.787 cm
Active display area (W x H)	1209.6 x 680.4 mm
Number of simultaneous touchpoints	20
Product color	Black
Orientation	Horizontal
Product design	Interactive flat panel
Placement supported	Indoor
Bezel width (bottom)	44.7 mm
Panel mounting interface	400 x 300 mm
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
RMS rated power	20 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	249.43 BTU/h
AC input frequency	50 - 60 Hz
Energy efficiency scale	A to G
Power consumption (max)	300 W
Power consumption (off)	0.3 W
Power consumption (standby)	0.4 W
Power consumption (typical)	73.1 W
Package weight	41700 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	1298.98 mm
Height	769.78 mm
Weight	34500 g
Display depth	- mm
Display width	1209.6 mm
Display height	680.4 mm
Display weight	- g