Troubleshooting - AOC V27M Operating Instructions Manual

Troubleshooting

Before callin g our Cus
understand th e sympt
Symptoms
No power
A static colored spot
appears on y our TV
screen.
No image
Normal image but no
sound
Normal sound but
poor color
Poor image quality
Horizontal dotted line
VGA mode does not
work
In VGA mode, black
b ars appear o n the
to p and bottom of the
VGA display
tomer Service, check this troubleshooting list to
oms and solutions to your problems.
Items to be inspected and measures to be taken
Check whether the power cord of the monitor is plugged int
the outlet.
Unplug the monitor from the mains, wait for 60 seconds,
plug it into the outlet again and turn it on.
There is no need to take any action because the LCD pane
is manufactured using high technology to display the refine
picture details. Sometimes an inactive pixel can be
displayed as a static red, blue, green or black
screen. This will not
Adjust the contrast and brightness setting
Turn up the volume
Check that a proper source is selected.
Adjust the contrast, saturation and brightness settings.
When an external device (such as S-VHS video recorder or
camcorder) is connected, the image quality may be poor.
Turn off other external devices for the time being.
This may be caused by electronic interference such as a
hair dryer or nearby fluorescent tube. Turn off the device.
Check that the VGA connection is secure.
Check that a proper signal source is selecte d.
Check if you have selected the correct resolution for the PC.
Check the video card settings of t
Set the PC refresh rate to 60Hz.
affect monitor performance.
he PC.
spot on the
s.
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