Troubleshooting

Before calling our Customer Service, check this troubleshooting list to understand the symptoms and solutions to your problems.

Symptoms

Items to be inspected and measures to be taken

 

Check whether the power cord of the monitor is plugged into

No power

the outlet.

Unplug the monitor from the mains, wait for 60 seconds,

 

 

plug it into the outlet again and turn it on.

A static colored spot

There is no need to take any action because the LCD panel

is manufactured using high technology to display the refined

appears on your TV

picture details. Sometimes an inactive pixel can be

screen.

displayed as a static red, blue, green or black spot on the

 

screen. This will not affect monitor performance.

No image

Adjust the contrast and brightness settings.

Normal image but no

Turn up the volume

sound

Check that a proper source is selected.

Normal sound but

Adjust the contrast, saturation and brightness settings.

poor color

 

Poor image quality

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.

Horizontal dotted line

This may be caused by electronic interference such as a

hair dryer or nearby fluorescent tube. Turn off the device.

VGA mode does not

Check that the VGA connection is secure.

Check that a proper signal source is selected.

work

Check if you have selected the correct resolution for the PC.

 

Check the video card settings of the PC.

In VGA mode, black

 

bars appear on the

Set the PC refresh rate to 60Hz.

top and bottom of the

VGA display

 

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AOC V27M manual Troubleshooting, No power