Dell C5522QT User Manual

56 | Operating the display
Setting the maximum resolution
To set the maximum resolution for the monitor:
In Windows 7, Windows 8 or Windows 8.1:
1. For Windows 8 or Windows 8.1 only, select the Desktop tile to switch to classic
desktop. For Windows Vista and Windows 7, skip this step.
2. Right-click on the desktop and click Screen Resolution.
3. Click the Dropdown list of the Screen Resolution and select 3840 x 2160.
4. Click OK.
In Windows 10:
1. Right-click on the desktop and click Display Settings.
2. Click Advanced display settings.
3. Click the dropdown list of Resolution and select 3840 x 2160.
4. Click Apply.
If you do not see the 3840 x 2160 as an option, you may need to update your graphics
driver. Depending on your computer, complete one of the following procedures:
If you have a Dell desktop or portable computer:
• Go to https://www.dell.com/support, enter your service tag, and download the
latest driver for your graphics card.
If you are using a non-Dell computer (laptop or desktop):
• Go to your computer manufacturer’s support website and download the latest
graphic drivers.
• Go to your graphics card manufacturer’s website and download the latest graphic
drivers.

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