AOC U2879VF User Manual

48
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 D-sub cable)
Check the DB-15 cable connection.
(Connected using the DVI cable)
Check the DVI cable connection.
* DVI 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 ME/2000) 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.

AOC U2879VF Specifications

General

DDC/CI	Yes
Panel type	TN
Color depth	8 bit
Pixel pitch	0.16 x 0.16 mm
Aspect ratio	16:9
Screen shape	Flat
Pixel density	157 ppi
Backlight type	W-LED
Display surface	-
Pixel frequency	185.58 MHz
Display diagonal	28 \
Surface hardness	3H
Display technology	LCD
Vertical scan range	50 - 76 Hz
Horizontal scan range	30 - 99 kHz
Supported video modes	2160p
Viewable size, vertical	341.28 mm
Viewing angle, vertical	160 °
Contrast ratio (dynamic)	80000000:1
Contrast ratio (typical)	1000:1
Display number of colors	1.07 billion colors
Display brightness (peak)	- cd/m²
Display diagonal (metric)	71.12 cm
Viewable size, horizontal	620.93 mm
Viewing angle, horizontal	170 °
Display brightness (typical)	300 cd/m²
Supported graphics resolutions	3840 x 2160
DisplayPort version	1.2
Headphone connectivity	3.5 mm
Feet color	Black/Silver
Certification	True
Product color	Silver, Black
Front bezel color	Black
Heavy metals free	Hg (mercury)
Market positioning	Home
Exterior finish type	Gloss
Recyclable packaging material	100 %
Mean time between failures (MTBF)	50000 h
Tilt angle range	-5 - 24 °
Cable lock slot type	Kensington
Number of OSD languages	16
On Screen Display (OSD) languages	CHI (SIMPL), CHI (TR), CRO, CZE, DEU, DUT, ENG, ESP, FIN, FRE, ITA, JPN, KOR, POL, POR, RUS, SWE, TUR, UKR
AC input voltage	100 - 240 V
AC input frequency	50 - 60 Hz
Energy efficiency scale	A to G
Power consumption (off)	0.23 W
Power consumption (standby)	0.32 W
Power consumption (typical)	49 W
Operating altitude	0 - 3658 m
Non-operating altitude	3658 - 12192 m
Storage temperature (T-T)	-25 - 50 °C
Operating temperature (T-T)	0 - 40 °C
Storage relative humidity (H-H)	5 - 93 %
Operating relative humidity (H-H)	10 - 85 %
Package type	Box
Package depth	159 mm
Package width	732 mm
Package height	543 mm
Package weight	5260 g
VGA cable length	1.8 m
Cables included	AC, DisplayPort, HDMI, VGA
Sustainability certificates	RoHS, EPEAT Silver, ENERGY STAR
AMD FreeSync type	FreeSync
AMD FreeSync refresh rate range	30 - 144 Hz
Harmonized System (HS) code	85285210

Weight and Dimensions

Depth (with stand)	153.2 mm
Height (with stand)	468.4 mm
Weight (with stand)	4000 g
Depth (without stand)	- mm
Width (without stand)	659.3 mm
Weight (without stand)	- g