Troubleshooting; Frequently Asked Questions (Faq) - BenQ BL2790QT User Manual

Troubleshooting

Frequently asked questions (FAQ)

Imaging
The image is blurred.
• Download Resolution file from the website (see
"Adjusting the Screen Resolution". And then select the correct resolution, refresh rate
and make adjustments based on these instructions.
• If a VGA extension cable is used, remove the extension cable for the test. Is the image
now in focus? Download Resolution file from the website (see
3). Refer to "Adjusting the Screen Resolution". And then select the correct resolution,
refresh rate and make adjustments based on these instructions to optimize the image. It
is 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?
Download Resolution file from the website (see
"Adjusting the Screen Resolution". Select the native 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 Color and Reset Color, and then choose YES to reset the color settings to the factory
defaults.
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.
The image is distorted, flashes or flickers.
Download Resolution file from the website (see
"Adjusting the Screen Resolution". And then select the correct resolution, refresh rate and
make adjustments based on these instructions.
Product support on page
Product support on page
Product support on page
60
3). Refer to
Product support on page
3). Refer to
3). Refer to