ViewSonic VG2456a User Manual

54
Troubleshoong
This secon describes some common problems that you may experience when
using the monitor.
Problem or Issue Possible Soluons
No power • Make sure you have turned on the monitor.
Otherwise, touch the Power buon to turn on the
monitor.
• Make sure the power cord is properly and securely
connected to the monitor.
• Plug another electrical device into the power outlet
to verify that the outlet is supplying power.
Power is On, but no
image appears on the
screen
• Make sure the video cable connecng the monitor to
the computer is properly and securely connected.
• Check for broken pins in the video cable connector.
• Adjust the brightness and contrast sengs.
• Make sure the correct input source is selected.
Wrong or abnormal
colors
• If any colors (red, green, or blue) are missing,
check the video cable to make sure it is properly
and securely connected. Loose or broken pins
in the cable connector could cause an improper
connecon.
• Connect the monitor to another computer.
• If you have an older graphics card, contact
ViewSonic® for a non-DDC adapter.
Screen image is too
light or dark
• Adjust the brightness and contrast sengs.
• Reset the monitor to factory sengs.
Screen image cuts in
and out
• Make sure the video cable connecng the monitor to
the computer is properly and securely connected.
• Make sure the correct input source is selected.
• Check for broken pins in the video cable connector.
The screen image or
text is blurred
• Adjust the resoluon to the correct Aspect Rao.
• Reset the monitor to factory sengs.
The screen is not
centered correctly
• Adjust the resoluon to the correct Aspect Rao.
• Adjust the horizontal and vercal controls via the
OSD Menu.
• Reset the monitor to factory sengs.

ViewSonic VG2456a Specifications

General

Color	black
Screen Type	led
Tiltable	yes
Wall Mount	100mm x 100mm
Touch Screen	no
Webcam	no
OS Compatibility	windows
Screen Size	23.8 inches
Panel Type	ips
Aspect Ratio	16:9
Resolution	1920 x 1080
Native Resolution	1920 x 1080
Refresh Rate	60hz
Horizontal Viewing Angle	178 degrees
Vertical Viewing Angle	178 degrees
Response Time	5 milliseconds
Brightness	250 candela per square meter
Contrast Ratio	1000:1
Synchronization	not applicable
Horizontal Scan Rate	82 kilohertz
HDR	no
Built-In Speakers	yes
HDMI Ports	1
USB Type B Ports	1
Display Port Inputs	1
Power Consumption	13.7 watts
Depth with Stand	8 inches
Height with Stand	16 inches
Width with Stand	21.2 inches
Depth without Stand	2 inches
Height without Stand	12.6 inches
Net Weight without Stand	14.1 pounds