BenQ FP92E S user manual download (Page 37 of 43)

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Page 37 of 43
37
Troubleshooting
9. Troubleshooting
Frequently asked questions (FAQ)
The image is blurred:
Read the
How to adjust the screen resolution on page 21
section, and then select the 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 the
How to adjust the screen refresh rate on page 22
section 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?
Read the
How to adjust the screen resolution on page 21
section. 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.
Select MENU > PICTURE > Color > Reset Color, and then choose “Yes” in the “Caution” message
box 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.
No image can be seen:
Is the prompt on the display illuminated in green?
If the LED is illuminated in green and there is a message “Out of Range” on the screen, this 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 “
Supported PC Timings on page 39
” section.
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.
Is the prompt on the display illuminated in orange?
Sample
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