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AOC U2790VQ User Manual

AOC U2790VQ
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26
Troubleshoot
Problem & Question
Possible Solutions
Power LED Is Not ON
Make sure the power button is ON and the Power Cord is properly connected
to a grounded power outlet and to the monitor.
No images on the screen
Is the power cord connected properly?
Check the power cord connection and power supply.
Is the cable connected correctly?
(Connected using the HDMI cable)
Check the HDMI cable connection.
(Connected using the DP cable)
Check the DP cable connection.
*HDMI/ DP input is not available on every model.
If the power is on, reboot the computer to see the initial screen (the login
screen), which can be seen.
If the initial screen (the login screen) appears, boot the computer in the
applicable mode (the safe mode for Windows 7/8/8.1/10) and then
change the frequency of the video card.
(Refer to the Setting the Optimal Resolution)
If the initial screen (the login screen) does not appear, contact the
Service Center or your dealer.
Can you see "Input Not Supported" on the screen?
You can see this message when the signal from the video card exceeds
the maximum resolution and frequency that the monitor can handle
properly.
Adjust the maximum resolution and frequency that the monitor can
handle properly.
Make sure the AOC Monitor Drivers are installed.
Picture Is Fuzzy & Has
Ghosting Shadowing Problem
Adjust the Contrast and Brightness Controls.
Press to auto adjust.
Make sure you are not using an extension cable or switch box. We
recommend plugging the monitor directly to the video card output connector
on the back.
Picture Bounces, Flickers Or
Wave Pattern Appears In The
Picture
Move electrical devices that may cause electrical interference as far away
from the monitor as possible.
Use the maximum refresh rate your monitor is capable of at the resolution
you are using.

Questions and Answers:

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AOC U2790VQ Specifications

General IconGeneral
3DNo
Color depth10 bit
Pixel pitch0.3114 x 0.3114 mm
Screen shapeFlat
Backlight typeW-LED
Pixel frequency170 MHz
Display diagonal27 \
Display technologyLCD
Native aspect ratio16:9
Vertical scan range50 - 76 Hz
Maximum refresh rate60 Hz
Horizontal scan range30 - 83 kHz
Supported video modes2160p
Viewable size, vertical336.31 mm
Contrast ratio (dynamic)20000000:1
Contrast ratio (typical)1000:1
Display number of colors1.073 billion colors
Viewable size, horizontal597.89 mm
Display brightness (typical)350 cd/m²
Supported graphics resolutions3840 x 2160
CertificationISO
Product colorBlack
Detachable standYes
Heavy metals freeHg (mercury), Pb (lead)
Market positioningBusiness
Cable lock slot-
Tilt angle range-3.5 - 21.5 °
Number of OSD languages16
Panel mounting interface100 x 100 mm
On Screen Display (OSD) languagesCHI (SIMPL), CHI (TR), CZE, DEU, DUT, ENG, ESP, FIN, FRE, ITA, JPN, KOR, POL, POR, RUS, SWE
HDMI version1.4/2.0
DisplayPort version1.2
Headphone connectivity3.5 mm
Package typeBox
Package depth185 mm
Package width703 mm
Package height362 mm
Package weight6710 g
VGA cable length1.8 m
Cables includedAC, HDMI, VGA
AC input voltage100 - 240 V
AC input frequency50 - 60 Hz
Power consumption (standby)0.5 W
Power consumption (typical)22 W
Recyclable packaging material100 %
Mean time between failures (MTBF)50000 h
Sustainability certificatesRoHS, EPEAT Silver, ENERGY STAR
RMS rated power4 W
Weight and Dimensions IconWeight and Dimensions
Depth (with stand)199.7 mm
Width (with stand)612.6 mm
Height (with stand)453.2 mm
Weight (with stand)4700 g
Depth (without stand)45.3 mm
Height (without stand)362.1 mm
Weight (without stand)3000 g

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