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Troubleshooting
Frequently asked questions (FAQ)
The image is blurred.
Read the instructions in
correct resolution, refresh rate and make adjustments based on these instructions.
How do you use a VGA extension cable?
Remove the extension cable for the test. Is the image now in focus? If not, optimize the image
by working through the instructions in
normal for blurring to occur due to conduction losses in extension cables. You can minimize
these losses by using an extension cable with better conduction quality or with a built-in
booster.
Does the blurring only occur at resolutions lower than the native (maximum) resolution?
Read the instructions in
resolution.
Pixel errors can be seen.
One of several pixels is permanently black, one or more pixels are permanently white, one or
more pixels are permanently red, green, blue or another color.
• Clean the LCD screen.
• Cycle power on-off.
• These are pixels that are permanently on or off and is a natural defect that occurs in LCD
technology.
The image has a faulty coloration.
It has a yellow, blue or pink appearance.
Go to
to reset the color settings to the factory defaults.
Recall
If the image is still not correct and the OSD also has faulty coloration, this means one of the
three primary colors is missing in the signal input. Now check the signal cable connectors. If
any pin is bent or broken off, please contact your dealer to get necessary support.
No image can be seen.
Is the prompt on the display illuminated in blue?
If the LED is illuminated in blue and there is a message
means you are using a display mode that this monitor does not support, please change the
setting to one of the supported mode. Please read
Faint shadow from the static image displayed is visible on the screen.
• Activate the power management function to let your computer and monitor go into a low
power "sleep" mode when not actively in use.
• Use a screensaver to prevent the occurrence of image retention.
22
Troubleshooting
Adjusting the screen resolution on page
Adjusting the screen refresh rate on page
Adjusting the screen resolution on page
24, and then select the
24. Select the native
on the screen, this
Out of Range
Preset display modes on page
25. It is
26.
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