Dell C7520QT User Manual

66 | Appendix
Setting Up Your Display
Setting Display Resolution to 3840 x 2160 (maximum)
For best performance, set the display resolution to 3840 x 2160 pixels by performing the
following steps:
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.
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 recommended resolution as an option, you may need to update your
graphics driver. Please choose the scenario below that best describes the computer system you
are using, and follow the given steps.
Dell computer
1. Go to www.dell.com/support, enter your service tag, and download the latest
driver for your graphics card.
2. After installing the drivers for your graphics adapter, attempt to set the resolution to
3840 x 2160 again.
NOTE: If you are unable to set the resolution to 3840 x 2160, please contact Dell
to inquire about a graphics adapter that supports these resolutions.

Dell C7520QT Specifications

General

Color gamut	72 %
Pixel pitch	0.429 x 0.429 mm
Aspect ratio	16:9
Screen shape	Flat
Response time	8 ms
Backlight type	LED
Display diagonal	74.5 \
Surface hardness	9H
Touch technology	Multi-touch
Touchscreen type	Multi-user
Anti-glare surface	Yes
Display brightness	350 cd/m²
Display technology	LCD
Native refresh rate	60 Hz
Supported video modes	2160p
Viewable size diagonal	1892.7 mm
Contrast ratio (typical)	1200:1
Display number of colors	1.073 billion colors
Number of simultaneous touchpoints	20
Certification	UL
Product color	Black
Panel mounting interface	400 x 400 mm
Placement supported	Horizontal
Ethernet LAN (RJ-45) ports	1
Display viewable area (HxV)	1649.7 x 927.9 mm
Cables included	DisplayPort, HDMI, USB, VGA
DVI port	-
USB version	2.0/3.2 Gen 1 (3.1 Gen 1)
USB hub version	3.2 Gen 1 (3.1 Gen 1)
USB connector type	USB Type-A, USB Type-B
USB ports quantity	7
HDMI ports quantity	3
USB upstream port type	USB Type-B
Height adjustment	No
AC input voltage	100 - 240 V
Power supply type	AC
AC input frequency	50 - 60 Hz
Energy efficiency scale	A to G
Power consumption (max)	270 W
Power consumption (standby)	0.3 W
Power consumption (typical)	140 W
Operating altitude	0 - 5000 m
Non-operating altitude	0 - 12191 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)	20 - 80 %
RMS rated power	40 W
Number of speakers	2
Sustainability certificates	RoHS, ENERGY STAR
Harmonized System (HS) code	85285210
Package weight	Weight of the packaged product in gram.

Weight and Dimensions

Depth	78.74 mm
Width	1734.82 mm
Height	1018.54 mm
Weight	64000 g
Display width	1735.02 mm
Display height	1017.44 mm
Depth (without stand)	79.1 mm
Width (without stand)	1735 mm
Height (without stand)	1017.4 mm
Weight (without stand)	76000 g